Mystery Booster 2

Creature — Centaur Soldier

Positioning (As this creature enters, lock your creatures in order from left to right for as long as you control a creature with positioning. Each time a creature enters or comes under your control, position it to the left or right of another creature you control.)
Adjacent creatures to the left and right of Defender of the Queue get +1/+1 and have vigilance.

Defender of the Queue

Creature — Kithkin Rogue

Plainswalk
Planeswalkerwalk (This creature can't be blocked as long as defending player controls a planeswalker.)
Whenever Plain Walker deals combat damage to a player or planeswalker, planeswalk. (If you're playing Planechase, proceed to the next plane.)

Plain Walker

Instant — Lesson

Up to three target creatures can't be blocked this turn.

They're

Exile target creature you control, then return it to the battlefield under its owner's control.

There

Creature — Spider

Menace, reach
Whenever Creepy Crawler deals combat damage to a player who is afraid of you, that player discards a card and you draw a card. (An opponent is afraid of you if a Horror, Nightmare, enchantment, or face-down creature you control entered the battlefield or attacked them this turn.)

Creepy Crawler

Creature — Orc Athlete

Assist kicker {3} (You and up to one other player can spend mana to pay this kicker cost.)
When All-Star Kicker enters the battlefield, your team may pass the ball. Then if All-Star Kicker was kicked, creatures your team controls get +1/+1 and gain haste until end of turn. (To pass the ball, one of the players on your team gives a permanent or card in hand to another player on your team.)

All-Star Kicker

Sorcery

Boltfire deals 2 damage to any target.
Flashforward {4}{R} (You may cast this card from exile for its flashforward cost. Then put it on the bottom of your library.)

Boltfire

Creature — Goblin

({D} is a land drop. You may give up one potential land drop this turn to pay for {D}.)
Whenever Boulder Jockey attacks, you may pay {D}. If you do, create a 3/3 colorless Construct artifact creature token named Boulder that's tapped and attacking. Sacrifice that token at the beginning of the next end step.

Boulder Jockey

Creature — Dwarf

{T}: Destroy target nontoken land. Its controller creates a Mana Confluence token. (It's a land with "{T}, Pay 1 life: Add one mana of any color.")

Dwarven Confluencer

Sorcery — Lesson

Pyromancy 101 deals 1 damage to any target.
Teach {1}{R} (Then exile this spell taught to a creature you control. For as long as this card remains exiled, that creature has "{T}: Copy the exiled card. You may cast the copy for its teach cost.")

Pyromancy 101

Legendary Creature — Dinosaur

Trample
You may cast creature cards from your hand as though they were the card Colossal Dreadmaw. (They become Colossal Dreadmaws.)

The Colossal Dreadmaw

Instant

Destroy target artifact, enchantment, emblem, or gameplay tracker. (Trackers include play aids such as dungeons, city's blessing, and monarch. When you destroy it, the associated object or designation is removed from the game.)

Naturalize 2

Legendary Creature — Human Soldier

First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede & Kynaios and Tiro, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

Anax and Cymede & Kynaios and Tiro

Legendary Creature — Human Samurai

Partner with itself (When this enters, target player may put Mothers Yamazaki into their hand from their library, then shuffle. A Commander deck can include two of this card, and they can be your commanders.)
As long as you control exactly two permanents named Mothers Yamazaki, the "legend rule" doesn't apply to them, and Samurai you control get +2/+2 and have vigilance and haste.

Mothers Yamazaki

Land

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
{T}: Add {G}, {U}, or {R}. If you don't have the city's blessing, you lose 1 life.