, : Regenerate target artifact.

When Metalspinner's Puzzleknot enters, you draw a card and you lose 1 life.

, Sacrifice Metalspinner's Puzzleknot: You draw a card and you lose 1 life.

: Reveal any number of artifact cards in your hand. Add for each card revealed this way.

Spree (Choose one or more additional costs.)

+ — Until end of turn, target creature becomes a white Rabbit with base power and toughness 0/1.

+ — Target player draws two cards.

Put target permanent an opponent controls on top of its owner's library. That opponent may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Lifelink

When Metamorphosis Fanatic enters, return up to one target creature card from your graveyard to the battlefield with a lifelink counter on it.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Flying

: You may put a creature card with mana value X from your hand onto the battlefield. If you do, return Metathran Aerostat to its owner's hand.

Metathran Soldier can't be blocked.

: Regenerate Metathran Zombie.

: Choose a color of a permanent you control. Add one mana of that color.

Meteor Shower deals X plus 1 damage divided as you choose among any number of targets.

Meteor Swarm deals 8 damage divided as you choose among X target creatures and/or planeswalkers.

When Meteorite enters, it deals 2 damage to any target.

: Add one mana of any color.

: Return target permanent you control to its owner's hand. If it has unearth, instead exile it, then return that card to its owner's hand. Activate only during your turn.

Flying

Whenever you attack with one or more creatures with counters on them, draw a card.

Flying

: Metropolis Sprite gets +1/-1 until end of turn.

Whenever Mezzio Mugger attacks, exile the top card of each player's library. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Flying

When Miasma Demon enters, you may discard any number of cards. When you do, up to that many target creatures each get -2/-2 until end of turn.

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent.

When Michonne enters, create two Walker tokens.

As long as Michonne is equipped, she must be blocked if able.

Whenever Michonne and at least two Zombies attack, she gains indestructible until end of turn.

: Surveil 1.

: Target permanent card in a graveyard becomes a 0/0 black Germ creature in addition to its other colors and types until end of turn. (This effect ends if it leaves the graveyard.)

When Midnight Arsonist enters, destroy up to X target artifacts without mana abilities, where X is the number of Vampires you control.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

: Add .

: Put an hour counter on Midnight Clock.

At the beginning of each upkeep, put an hour counter on Midnight Clock.

When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Midnight Entity — Whenever Midnight Crusader Shuttle attacks, defending player faces a villainous choice — That player sacrifices a creature, 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

Other Aetherborn you control get +1/+1.

Whenever Midnight Entourage or another Aetherborn you control dies, you draw a card and you lose 1 life.

Create two 1/1 white Spirit creature tokens with flying.

Midnight Oil enters with seven hour counters on it.

At the beginning of your draw step, draw an additional card and remove two hour counters from Midnight Oil.

Your maximum hand size is equal to the number of hour counters on Midnight Oil.

Whenever you discard a card, you lose 1 life.

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

Exile X target creature cards from your graveyard. For each creature card exiled this way, create a 2/2 black Zombie creature token.

At the beginning of your upkeep, you may put a verse counter on Midsummer Revel.

, Sacrifice Midsummer Revel: Create X 3/3 green Beast creature tokens, where X is the number of verse counters on Midsummer Revel.

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.

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Target creature gets +7/+7 until end of turn.

At the beginning of combat on your turn, target creature you control gets +2/+0 and gains vigilance until end of turn.

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.

Target creature gets +2/+2 until end of turn.

Coven — Then if you control three or more creatures with different powers, draw a card.

: Target red or white creature gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Enchant artifact

When Mightstone's Animation enters, draw a card.

Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types.

Target creature gets +2/+2 and gains flying until end of turn.

Migloz, Maze Crusher enters with five oil counters on it.

, Remove an oil counter from Migloz: It gains vigilance and menace until end of turn.

, Remove two oil counters from Migloz: It gets +2/+2 until end of turn.

, Remove three oil counters from Migloz: Destroy target artifact or enchantment.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flying, ward

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

Mikaeus, the Lunarch enters with X +1/+1 counters on it.

: Put a +1/+1 counter on Mikaeus.

, Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.

: Add .

, : Each player draws a card.

: Mild-Mannered Librarian becomes a Werewolf. Put two +1/+1 counters on it and you draw a card. Activate only once.

Militant Inquisitor gets +1/+0 for each Equipment you control.

Flash

Enchant creature

When Military Discipline enters, enchanted creature gains first strike until end of turn.

Enchanted creature gets +1/+0.

Vigilance (Attacking doesn't cause this creature to tap.)

When Militia Bugler enters, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever a nontoken creature you control attacks, you may pay . If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking.