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Legendary Creature — Mutant Ninja Turtle

Each creature you control with a counter on it can't be blocked by more than one creature. Whenever Michelangelo enters or attacks, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

Sorcery

Sneak {3}{G} (You may cast this spell for {3}{G} if you also return an unblocked attacker you control to hand during the declare blockers step.) Look at the top eight cards of your library. Put up to two creature cards with total mana value 6 or less from among them onto the battlefield and the rest on the bottom of your library in a random order.

Legendary Creature — Mutant Ninja Turtle

When Michelangelo enters, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.") If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Artifact

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

Artifact — Vehicle

Midnight Entity — Whenever this Vehicle attacks, defending player faces a villainous choice — That player sacrifices a creature of their choice, or you gain control of a creature of your choice that player controls until end of turn. If you gain control of a creature this way, tap it, and it's attacking that player. Crew 2

Creature — Zombie Knight

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

Instant

Put two +1/+1 counters on target creature. Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard.

Creature — Insect Druid

Landfall — Whenever a land you control enters, double the power of target creature you control until end of turn. Warp {2}{G} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Instant

Target creature gains trample until end of turn. It also gets +1/+0 until end of turn if you control a Mouse. Draw a card.

Creature — Mutant Rebel

When this creature enters, create a 2/2 red Mutant creature token. Alliance — Whenever another creature you control enters, put a +1/+1 counter on target creature you control.

Sorcery

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Cycling {2} ({2}, Discard this card: Draw a card.)

Legendary Creature — Dragon Spirit

Flying, ward {2} Whenever another nontoken Dragon you control enters, create a token that's a copy of it, except the token isn't legendary.

Legendary Creature — Mutant Ninja Turtle

Ward {2} You may look at the top card of your library any time. You may play lands and cast Mutant, Ninja, or Turtle spells from the top of your library. If you cast a creature spell this way, that creature enters with an additional +1/+1 counter on it.

Legendary Creature — Mutant Ninja Turtle

Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn.

Legendary Land

Minas Tirith enters tapped unless you control a legendary creature. {T}: Add {W}. {1}{W}, {T}: Draw a card. Activate only if you attacked with two or more creatures this turn.

Creature — Azra Warrior

Whenever your opponents are dealt combat damage, if any of that damage was dealt by a Warrior, you draw a card and you lose 1 life.

Instant — Trap

If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.

Artifact

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Sorcery

Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.

Sorcery

Draw X cards. Then you may put a permanent card with mana value X or less from your hand onto the battlefield tapped.

Sorcery

Target player discards two cards.

Legendary Artifact

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for them.)

Artifact

Flash At the beginning of your upkeep, put an oil counter on this artifact. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on this artifact.

Creature — Merfolk Wizard

Exhaust — {X}{U}{U}, {T}: Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)

Artifact

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Instant

Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/5. Draw a card.

Legendary Land

Mines of Moria enters tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

Enchantment — Aura

Flash Enchant creature When enchanted creature dies, return that card to the battlefield under your control.

Creature — Human Cleric

Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)

Legendary Creature — Human Cleric

Vigilance, lifelink Whenever you gain life, put a +1/+1 counter on each Cleric you control.

Artifact

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Enchantment

Creatures you control get +1/+1. Whenever you tap a land for mana, add one mana of any type that land produced.

Creature — Bat

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Creature — Elk

Trample Whenever this creature enters or attacks, return target Elf card from your graveyard to your hand. You gain life equal to that card's power.

Creature — Spider

Deathtouch Whenever this creature attacks, target legendary creature you control gains deathtouch until end of turn.