Modern Horizons

Legendary Creature — Shapeshifter

Changeling (This card is every creature type.)
As Morophon enters, choose a creature type.
Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.

Morophon, the Boundless

Enchantment

Whenever a creature you control enters, you gain 1 life. If this enchantment isn't a creature, it becomes a 3/3 Angel creature with flying in addition to its other types until end of turn.

Answered Prayers

Whenever you cycle this card or cycle another card while this enchantment is on the battlefield, you may exile target creature. If you do, return that card to the battlefield under its owner's control at the beginning of the next end step.
Cycling {2}{W} ({2}{W}, Discard this card: Draw a card.)

Astral Drift

Bird

Sorcery

Create two 1/1 white Bird creature tokens with flying.
Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Battle Screech

Instant

Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.)
Destroy target artifact or enchantment. If this spell was kicked, draw two cards.

Dismantling Blow

Creature — Sliver

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Other Sliver creatures you control have outlast {2}.

Enduring Sliver

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Ephemerate

Enchantment — Aura

Enchant creature
Enchanted creature gets +2/+2.
As long as another Aura is attached to enchanted creature, it has first strike and lifelink.

Face of Divinity

Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

First Sliver's Chosen

If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost.
Flash
Creatures you control get +1/+1.

Force of Virtue

Elephant

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Generous Gift

You gain shroud until end of turn. (You can't be the target of spells or abilities.)
Cycling {2} ({2}, Discard this card: Draw a card.)

Gilded Light

Creature — Kor Cleric

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

Giver of Runes

Creature — Shapeshifter

Changeling (This card is every creature type.)

Impostor of the Sixth Pride

Shapeshifter

Changeling (This card is every creature type.)
When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Irregular Cohort

Creature — Cat

King of the Pride

Creature — Human Knight

Suspend 5—{W} (Rather than cast this card from your hand, you may pay {W} and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)
When this creature enters, other creatures you control get +1/+1 until end of turn.

Knight of Old Benalia

Sliver creatures you control have first strike.

Lancer Sliver

Creature — Spirit Soldier

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
When this creature enters, if you control no tapped lands, put two +1/+1 counters on it.

Martyr's Soul

Snow Enchantment — Aura

Enchant snow land you control
When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield.

On Thin Ice

Creature — Human Soldier Ranger

When this creature enters, you may search your library for a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
Sacrifice this creature: Your opponents can't cast noncreature spells this turn.

Ranger-Captain of Eos

Soldier

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 white Soldier creature token.

Recruit the Worthy

Enchant creature
Enchanted creature loses all abilities and is a Coward creature with base power and toughness 0/1. (It keeps all supertypes but loses all other types and creature types.)

Reprobation

Creature — Rhino Soldier

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Whenever this creature attacks, tap target creature an opponent controls.

Rhox Veteran

Creature — Angel

Segovian Angel

Angel

Serra the Benevolent Emblem

Legendary Planeswalker — Serra

+2: Creatures you control with flying get +1/+1 until end of turn.
−3: Create a 4/4 white Angel creature token with flying and vigilance.
−6: You get an emblem with "If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead."

Serra the Benevolent

Choose one or both —
• Exile target creature you don't control.
• Exile target creature you control, then return it to the battlefield under its owner's control.

Settle Beyond Reality

Target creature you control gains protection from the color of your choice until end of turn.
Draw a card.

Shelter

Legendary Creature — Human Soldier

Sisay gets +1/+1 for each color among other legendary permanents you control.
{W}{U}{B}{R}{G}: Search your library for a legendary permanent card with mana value less than Sisay's power, put that card onto the battlefield, then shuffle.

Sisay, Weatherlight Captain

Manifest

Enchant creature
Enchanted creature gets +1/+1 and has vigilance.
When enchanted creature dies, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Soul-Strike Technique

Phyrexian Golem

Create a 3/3 colorless Phyrexian Golem artifact creature token.
Splice onto instant or sorcery {3}{W} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Splicer's Skill

Target creature you control gets +2/+2 until end of turn.
Overload {5}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Stirring Address

Creature — Human Scout

{1}{W}, Exile this card from your graveyard: Search your library for a card named Trustworthy Scout, reveal it, put it into your hand, then shuffle.

Trustworthy Scout

This spell costs {1} less to cast for each creature type among creatures you control. This effect can't reduce the amount of mana this spell costs by more than {5}.
Changeling (This card is every creature type.)
Double strike

Valiant Changeling

Creature — Elemental

Flying
When this creature leaves the battlefield, return target creature card with power 1 or less from your graveyard to the battlefield.
Evoke {1}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Vesperlark

Creature — Wall

Defender, flying
{W}: This creature can attack this turn as though it didn't have defender.

Wall of One Thousand Cuts

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.
Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Winds of Abandon

Target player sacrifices an attacking creature of their choice.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Wing Shards

Creature — Human Soldier

{T}: Tap target creature. Activate only if you had a creature enter the battlefield under your control this turn.

Zhalfirin Decoy

Choose one —
• Counter target spell.
• Target player draws two cards.
• Gain control of target nonland permanent with mana value 1 or less.

Archmage's Charm

Creature — Human Wizard

Flying
When this creature enters, draw two cards, then discard three cards.

Bazaar Trademage

Snow Creature — Bird

Flash
Flying
When this creature enters, if you control another snow permanent, exile target permanent other than this creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Blizzard Strix

Snow Creature — Insect

{4}{S}{S}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous. {S} can be paid with one mana from a snow source.)
As long as this creature is monstrous, it has flying.

Chillerpillar

Tap up to four target creatures.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
When you cycle this card, you may tap target creature.

Choking Tethers

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Cunning Evasion

Each player shuffles their hand and graveyard into their library, then draws seven cards.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Echo of Eons

Draw a card.
Splice onto instant or sorcery {2}{U} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Everdream

Counter target creature spell.
Draw a card.

Exclude

Creature — Drake

Flying
This creature gets +2/+0 as long as you've drawn two or more cards this turn.

Eyekite

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Fact or Fiction

Creature — Faerie Wizard

Flying
When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Faerie Seer

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.
Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Force of Negation

Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.

Future Sight

Snow Creature — Crab

Whenever another snow permanent you control enters, you may have target player mill two cards.

Iceberg Cancrix

Creature — Jellyfish

When this creature enters, return target creature to its owner's hand.

Man-o'-War

Marit Lage

Legendary Snow Enchantment

Whenever Marit Lage's Slumber or another snow permanent you control enters, scry 1.
At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage's Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Marit Lage's Slumber

As this enchantment enters, choose Mirran or Phyrexian.
• Mirran — Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token.
• Phyrexian — At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.

Mirrodin Besieged

Copy

Creature — Snake Ninja

Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, create a token that's a copy of this creature.

Mist-Syndicate Naga

Illusion

Creature — Human Ninja

Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, create a 1/1 blue Illusion creature token with flying.

Moonblade Shinobi

Creature — Squid Illusion

Flying
Whenever you draw a card, put a +1/+1 counter on this creature.

Oneirophage

Until end of turn, up to two target creatures each have base power and toughness 3/3, gain flying, and become blue Illusions in addition to their other colors and types.
Draw a card.

Phantasmal Form

Creature — Illusion Ninja

Phantom Ninja

When this creature enters, look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Pondering Mage

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Prohibit

Rain of Revelation

Return all artifacts to their owners' hands.
Cycling {2} ({2}, Discard this card: Draw a card.)

Rebuild

Scry 2, then draw a card.
Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Scour All Possibilities

Creature — Sliver Trilobite

Sliver creatures you control have "{2}: Untap this creature."

Scuttling Sliver

Enchant creature
Enchanted creature gets +1/+1 and has flying.
When a Ninja you control enters, you may return this card from your graveyard to the battlefield attached to that creature.

Smoke Shroud

Counter target spell.
Fateful hour — If you have 5 or less life, draw a card.

Spell Snuff

Target player mills four cards. You shuffle up to four cards from your graveyard into your library.
Replicate {2}{U}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Stream of Thought

Return target creature to its owner's hand. Then that creature's controller may pay {U}{U}. If the player does, they may copy this spell and may choose a new target for that copy.

String of Disappearances

When this creature enters, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

Tribute Mage

Choose one —
• Target creature gets -6/-0 until end of turn.
• Switch target creature's power and toughness until end of turn.
Entwine {B} (Choose both if you pay the entwine cost.)

Twisted Reflection

Construct

Legendary Creature — Human Artificer

When Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add {U}.
{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

Urza, Lord High Artificer

Hideaway 4 (When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
This creature enters tapped.
When this creature leaves the battlefield, put the exiled card into its owner's hand.

Watcher for Tomorrow

Creature — Bird Wizard

Flying
Cycling {U} ({U}, Discard this card: Draw a card.)
When you cycle this card, target creature gains flying until end of turn.

Windcaller Aven

Enchant creature
When this Aura enters, tap enchanted creature.
As long as you control another snow permanent, enchanted creature doesn't untap during its controller's untap step.