Create an X/X green Ooze creature token, where X is the greatest power among creatures you control.

Target opponent discards two cards, mills a card, and loses 1 life. You gain 1 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.

Target player discards a card.

Draw a card at the beginning of the next turn's upkeep.

, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

When Mindless Conscription enters and whenever you draw your third card each turn, amass Zombies 3. (Put three +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Flying

Whenever Mindlink Mech becomes crewed for the first time each turn, until end of turn, Mindlink Mech becomes a copy of target nonlegendary creature that crewed it this turn, except it's 4/3, it's a Vehicle artifact in addition to its other types, and it has flying.

Crew 1

First strike (This creature deals combat damage before creatures without first strike.)

Whenever an opponent casts a white or blue instant or sorcery spell, Mindsparker deals 2 damage to that player.

At the beginning of your upkeep, draw a card if you had no cards in hand at the beginning of this turn. If you had a card in hand, Mindstorm Crown deals 1 damage to you.

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Threshold — As long as seven or more cards are in your graveyard, creatures your opponents control get -1/-0.

Trample

When Mine Raider enters, if you control another outlaw, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. A Treasure token is an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Enchant nonland permanent

Enchanted permanent is a Treasure artifact with ", Sacrifice this artifact: Add one mana of any color," and it loses all other abilities. (If it was a creature, it's no longer a creature.)

( can be paid with either or .)

: Tap target creature.

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

Haste

When Minotaur Skullcleaver enters, it gets +2/+0 until end of turn.

: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Flying, vigilance

Whenever you surveil, put a +1/+1 counter on Mirko, Obsessive Theorist.

At the beginning of your end step, you may return target creature card with power less than Mirko's from your graveyard to the battlefield with a finality counter on it. (If it would die, exile it instead.)

Double strike, protection from black and from green

Flying

Whenever you cast an artifact spell, you may untap target creature.

First strike

Whenever Mirri, Weatherlight Duelist attacks, each opponent can't block with more than one creature this combat.

As long as Mirri, Weatherlight Duelist is tapped, no more than one creature can attack you each combat.

The "legend rule" doesn't apply to permanents you control.

Each legendary creature you control gets +1/+1.

Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

You may have Mirror Image enter as a copy of a creature you control.

: Copy target instant or sorcery spell that targets you. You may choose new targets for the copy.

When Mirrormere Guardian dies, the Ring tempts you.

Flash

When Mischievous Pup enters, return up to one other target permanent you control to its owner's hand.

Target player sacrifices a permanent.

Flash

When Misleading Signpost enters during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.)

: Add .

Flying

: Mistform Dreamer becomes the creature type of your choice until end of turn.

Creature spells you cast that share a creature type with Mistform Warchief cost less to cast.

: Mistform Warchief becomes the creature type of your choice until end of turn.

Whenever Mistmeadow Vanisher becomes tapped, exile up to one target nonland, nontoken permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Return target nonland permanent and each other nonland permanent with the same mana value as that permanent to their owners' hands.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Mistvein Borderpost enters tapped.

: Add or .

When you unlock this door, create an X/X blue Spirit creature token with flying, where X is the number of unlocked doors among Rooms you control.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Look at the top seven cards of your library. You may put one of those cards onto the battlefield if it has the same name as a permanent. Put the rest on the bottom of your library in any order.

Trample

Whenever you cast a noncreature spell, Mizzium Tank becomes an artifact creature and gets +1/+1 until end of turn.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards.

Exile Mnemonic Betrayal.

Flying

Whenever Mobile Garrison attacks, untap another target artifact or creature you control.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying

Instant and sorcery spells you cast cost less to cast.

You can't cast more than one spell each turn.

Whenever you cast a spell, draw a card.

: You choose target creature an opponent controls, and that opponent chooses target creature. Flip a coin. If you win the flip, destroy the creature you chose. If you lose the flip, destroy the creature your opponent chose.

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost.

Destroy target artifact.

When Moira Brown, Guide Author enters, create a colorless Equipment artifact token named Wasteland Survival Guide with "Equipped creature gets +1/+1 for each quest counter among permanents you control" and equip .

Whenever you attack, put a quest counter on target nonland permanent you control.

When you unlock this door, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

You may choose not to untap Mole Worms during your untap step.

: Tap target land. It doesn't untap during its controller's untap step for as long as Mole Worms remains tapped.

Choose one —

• Molten Blast deals 2 damage to target creature or planeswalker.

• Destroy target artifact.

Devoid (This card has no color.)

Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target.

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Return Molting Skin to its owner's hand: Regenerate target creature.