Mystery Booster Playtest Cards 2021

Vanguard

Requirement — Your starting deck contains only instant, sorcery, and land cards.
Starting hand size +1 Starting life total -5
If an instant or sorcery spell you cast would cause you to draw one or more cards, draw an additional card. If an instant or sorcery spell you cast would deal damage to a permanent or player, it deals 1 additional damage to that permanent or player.

Ral's Vanguard

Creature — Sliver

All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Banding Sliver

Creature — Human Soldier

Baneslayer Aspirant gets +3/+3 and has flying, first strike, and lifelink as long as you have one or more emblems.

Baneslayer Aspirant

Enchantment

You are a Flagbearer.
While choosing targets as part of casting a spell or activating an ability, your opponents must choose at least one Flagbearer if able.

Enroll in the Coalition

Creature — Human Citizen

Five Kids in a Trenchcoat counts as five creatures for spells and effects that count the number of creatures you control.

Five Kids in a Trenchcoat

Creature — Cat Scout

{3}, {T}: Until end of turn, you may play one basic Plains card from outside the game.

Frontier Explorer

Sorcery — Arcane

Create three 0/0 white Spirit creature tokens with flying.

Imaginary Friends

Creature — Human Advisor

Cards in the winning deck(s) of the latest Mythic Championship cost {1} more to cast.

Metagamer

Creature — Bird Wizard

Flying
Players can't cast instant spells unless a spell or ability is on the stack.

Priority Avenger

Legendary Creature — Dog Soldier

All Hounds are Dogs. (We'll errata this to be true.)
First strike, lifelink
Underdog — If you've lost a game this match, Ruff, Underdog Champ and other Dogs you control get +1/+1.

Ruff, Underdog Champ

Tribal Instant — Angel

Target creature or player gains flying until end of turn. (Players with flying can't be dealt damage by creatures without flying.)

Sarah's Wings

Sorcery

Choose one or more —
• Destroy all small creatures.
• Destroy all medium creatures.
• Destroy all large creatures.
(A small creature has total power and toughness 4 or less, medium is 5—8, and large is 9 or more.)

Scaled Destruction

When Stack of Paperwork enters, draw a card.
Combat damage uses the stack. (Combat damage assignment can be responded to before damage is dealt. You know, like it used to.)

Stack of Paperwork

Creature — Human Soldier Wizard

When Wizened Arbiter enters, you may reveal a white card you own from outside the game. If you do, exchange that card with a card in your hand.

Wizened Arbiter

Choose target creature you own and control. That creature becomes your commander. Any other commanders you have are no longer your commander. (That creature starts with a commander tax of {0}.)

You're in Command

Enchantment — Aura

Flash
Enchant instant or sorcery spell on the stack
When Animate Spell becomes attached to an instant or sorcery, put that card onto the battlefield under its owner's control. It's a creature in addition to its other types with power and toughness each equal to its converted mana cost.
When Animate Spell leaves the battlefield, enchanted card's owner sacrifices it unless they cast it.

Animate Spell

Creature — Elemental

Scrycast {0} (If you see this card while scrying, you may reveal it and cast it by paying {0}.)
Flying

Biting Remark

Instant

Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost.
Exile Command the Chaff.

Command the Chaff

Creature — Whale

This spell can't be countered.
Shroud
Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

Control Win Condition

Restart the turn, except with Do-Over in exile. (First, return all cards to where they were as the turn began. For information from hidden zones like the hand, reconstruct as best you can, and do the rest at random.)

Do-Over

Enchant creature or enchantment
Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

Enchantmentize

Tribal Enchantment — Elemental

When Form of the Mulldrifter enters, draw two cards.
You may cast creature cards from your hand as though they were the card Mulldrifter. (You can still evoke this way. They're Mulldrifters.)

Form of the Mulldrifter

Creature — Eldrazi Insect

Buyback {1}{U} (You may pay an additional {1}{U} as you cast this spell. If you do, put this card into your hand as it resolves.)
Flash
Flying
When you cast this spell, draw a card.

Innocuous Insect

Legendary Creature — Homarid Warrior

All lands are Islands in addition to their other types.
Other Homarids, Camarids, Cephalids, Nautilids, and Merfolk you control get +1/+1.

Khod, Etlan Shiis Envoy

Creature — Cephalid Wizard

As long as you have a maximum hand size other than 7, Learned Learner has "{T}: Draw a card."

Learned Learner

Creature — Lobster

Four-faced (Whenever this becomes tapped, move it to the next stage, or to stage 1 if it's at stage 4.)
Stage 1 — (1/4)
Stage 2 — (4/1) Evolve
Stage 3 — (2/4) {U}: Loopy Lobster gets +1/-1 until end of turn.
Stage 4 — (4/4) Vigilance. {T}: Draw 2 cards.

Loopy Lobster

Draw a card.
Bank (If you cast Memory Bank from your hand, exile it until the end of the match. You may cast it from exile during another game this match. It still counts toward your deck minimum.)

Memory Bank

Creature — Bird

Flying
When Recycla-bird dies, put a flying counter on target creature you control.

Recycla-bird

Creature — Squid Pirate

When Squidnapper enters, gain control of target creature an opponent controls until Squidnapper leaves the battlefield or that player pays the ransom.
Ransom — {6} and 2 life

Squidnapper

Exile target permanent, then put it into its owner's hand. That player discards that card, then puts it on top of their library. Then they put it onto the battlefield.

The Grand Tour

Take an extra turn after this one.
If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle them into your deck.

Time Sidewalk

Target opponent chooses one —
• Truth — That player plays with their hand revealed for the rest of the game.
• Dare — Mill all but the bottom ten cards of that player's library. (To mill, put the top card of that library into its owner's graveyard.)

Truth or Dare

Instant Creature — Alien

All creature cards you own with flash are instants in addition to their other types.
Whenever you cast another spell with two or more card types, you may draw a card, then discard a card.

Visitor from Planet Q

Creature — Vampire Cleric

Spark (Activate spark abilities by spending or giving yourself spark counters. Activate only one spark ability per turn, and only as a sorcery.)
+1: Blood Poet gains lifelink until end of turn.
−3: Target opponent discards a card. You gain life equal to its converted mana cost.

Blood Poet

Creature — Skeleton

When Bone Rattler is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into your graveyard.

Bone Rattler

Creature — Zombie Ogre

You may begin the game with Buried Ogre in your graveyard. If you do, you lose 1 life.

Buried Ogre

Creature — Human Warlock

When Celestine Cave Witch enters, create two 1/1 black Insect creature tokens.
Whenever Celestine Cave Witch attacks, you may sacrifice an Insect. When you do, curse defending player. (Create a black Aura Curse enchantment token that's attached to that player. It has enchant player and "At the beginning of your upkeep, you lose 1 life.")

Celestine Cave Witch

Creature — Lhurgoyf Imp

Flying
Chimney Goyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1.
When Chimney Goyf dies, target opponent puts a card from their hand on top of their library.

Chimney Goyf

Artifact — Key

As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.

Corrupted Key

Creature — Zombie Giant

When Cyclopean Titan dies, two target lands become Swamps. Exile Cyclopean Titan.
{3}, {T}: Tap target creature, then return Cyclopean Titan to its owner's hand.

Cyclopean Titan

Creature — Zombie

Everlasting Lich can't block.
Everlasting Lich can't die. (This creature has indestructible, can't be sacrificed, and doesn't go to the graveyard for having 0 toughness.)

Everlasting Lich

Creature — Frog Rogue

When Frogkin Kidnapper enters, target opponent reveals their hand. Choose a nonland card from it. Ransom that card. (Exile it. Its owner may pay {3} at any time to return it to their hand.)

Frogkin Kidnapper

Creature — Slug

When Gunk Slug enters, create three Gunk token cards and shuffle them into target opponent's library. (Gunk is a colorless sorcery card with no mana cost that has cycling {4}.)

Gunk Slug

Poison Counter

Each player discards a card, then loses 1 life, then sacrifices an artifact, a creature, an enchantment, a land, a planeswalker, and a tribal permanent, then exiles a card from their graveyard, then puts the top card of their library into their graveyard, then removes a counter from a permanent they control, then gets a poison counter.

Largepox

One with Death

Return target creature card from your graveyard to your hand.
Spellmorph {B} (You may cast this card face down as a 2/2 creature for {3}. Cast it any time for its spellmorph cost.)

Spellmorph Raise Dead

Reverse miracle {B} (If this card is on the bottom of your library as you begin searching it, you may cast it by paying its reverse miracle cost.)
Exile all creatures.

Sunimret

Creature — Insect Locus

Flying
Whenever Swarm of Locus attacks, it gets +1/+0 until end of turn for each Locus you control.

Swarm of Locus

Creature — Beholder

Underdark Beholder enters the battlefield with ten eyestalk counters on it.
If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it.
Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library.

Underdark Beholder

Creature — Demon

Flying
When Witty Demon enters, if your starting library had at least 13 cards over the minimum, search your library for a card and put that card into your hand, then shuffle your library. Otherwise, Witty Demon deals 4 damage to you.

Witty Demon

Summon — Specter

Flying
Whenever Xyru Specter deals damage to an opponent, that player discards a card unless they challenge you. If challenged, and you show them two black cards in your hand, they must discard two cards.

Xyru Specter

Until end of turn, you may play face-up cards you own from exile.
If a card would be put into your graveyard or exile from anywhere this turn, put it on the bottom of your library instead.

Yawgmoth's Testament

Until end of turn, cards you own that aren't on the battlefield lose all card types, costs, names, and abilities and become red sorceries named Missile that cost {R} with "Missile deals 2 damage to any target."

Bombardment

Creature — Troll Shaman

All targeted spells and abilities cost {2} less and have their targets chosen randomly.

High Troller

Creature — Lizard Wizard

If Impatient Iguana is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player.
Haste

Impatient Iguana

Creature — Goblin

Motivate {3}{R} (This creature can't attack or block unless you have paid its motivate cost once. Motivate only as a sorcery.)
When Lazier Goblin enters, it deals 2 damage to any target.

Lazier Goblin

Instant Creature — Horse

When Lightning Colt enters, it deals 3 damage to any target.

Lightning Colt

World Enchantment

If a player would add mana, instead all players add that mana.

Mana Abundance

Planequake deals X damage to each creature without flying and each planeswalker. If X is 10 or more, open the "Uncovered Cavern" plot booster.

Planequake

When Problematic Volcano enters, it deals 4 damage to any target. Then, starting with you, each player assigns their creatures to the left or right of the volcano. Creatures enter to the left or right of the volcano.
Creatures can't block creatures on the other side of the volcano.

Problematic Volcano

Creature — Insect

Haste
The stack is now first in, first out instead of last in, first out. (The first spell or ability on the stack is the first one to resolve.)

Queue of Beetles

Creature — Fish

{1}{U}: Exchange Red Herring from your hand with a permanent you control on the battlefield or a spell you control on the stack. If that permanent or spell was the target of a spell or ability, change that target to Red Herring.

Red Herring

Creature — Bird Warrior

Tasty (This creature can be attacked directly. If it is attacked, it can't block creatures that didn't attack it.)

Seasoned Weaponsmith

Trample
Untapped creatures can't block.
Tapped creatures can block.

Siege Elemental

Summon Wolf

You may cast Throat Wolf during an opponent's combat phase.
Firstest strike (This creature deals combat damage to creatures before creatures with first strike.)
After each opponent's first combat phase of each turn, there is an additional combat phase. Only Throat Wolf can attack during that combat phase.

Throat Wolf

Legendary Planeswalker — Tibalt

+1: Cast a copy of one of the following cards chosen at random—Ignorant Bliss, Crack the Earth, Blazing Volley.
−3: Cast a copy of one of the following cards chosen at random—Seething Song, Dance with Devils, Flamebreak.
−6: Cast a copy of one of the following cards chosen at random—Hellion Eruption, Insurrection, Warp World.

Tibalt the Chaotic

Target instant or sorcery spell becomes a copy of Lightning Bolt. Its controller may choose new targets for it.

Transcantation

Elemental Instant — Fire

Whenever Trial and Error is countered or fizzles, you may copy it and choose new targets for the copy.
Trial and Error deals 3 damage to any target.

Trial and Error

Creature — Weird

At the beginning of each end step, you may have Geometric Weird's base power and toughness each become equal to the greatest number of spells and abilities from different sources that were on the stack simultaneously that turn.

Geometric Weird

Shuffle your whammy deck, then reveal cards from the top of your whammy deck until you reveal an Island or choose to stop. Then, if no Islands were revealed this way, Whammy Burn deals X damage to any target, where X is the number of cards revealed. (A whammy deck consists of a Plains, Island, Swamp, Mountain, and Forest.)

Whammy Burn

Creature — Bear

Vigilance
Aggressive (During your turn, there is an additional combat phase after the first, and only creatures with aggressive may attack during it.)

Bear with Set's Mechanic

Snow Creature — Mammoth

Domesticated Mammoth enters with a token copy of Pacifism attached to it.

Domesticated Mammoth

Creature — Bear Snake Mutant

{1}{Z}: Put a +1/+2 counter on Experiment Five. ({Z} is paid with one mana from any source that could produce two or more colors of mana.)