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.)

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

: 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 Oil enters the battlefield 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.

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.

Trample

Ward—Discard a card.

Whenever Mighty Servant of Leuk-o becomes crewed for the first time each turn, if it was crewed by exactly two creatures, it gains "Whenever this creature deals combat damage to a player, draw two cards" until end of turn.

Crew 4

Flying, ward

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

Mikaeus, the Lunarch enters the battlefield 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.

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.

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

Choose target permanent an opponent controls. Search that player's library for a card with the same name and put it onto the battlefield under your control. Then that player shuffles.

You may play an additional land on each of your turns.

, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Minas Morgul, Dark Fortress enters the battlefield tapped.

: Add .

, : Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

Minas Tirith Garrison's power is equal to the number of cards in your hand.

Whenever Minas Tirith Garrison attacks, you may tap any number of untapped Humans you control. Draw a card for each Human tapped this way.

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

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.

Target player discards X cards at random.

Target player discards X cards at random.

Enchant creature

At the beginning of the upkeep of enchanted creature's controller, that player may pay . If they don't, Mind Whip deals 2 damage to that player and you tap that creature.

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.

Trample

Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost.

Mindless Automaton enters the battlefield with two +1/+1 counters on it.

, Discard a card: Put a +1/+1 counter on Mindless Automaton.

Remove two +1/+1 counters from Mindless Automaton: Draw a card.

Players can't search libraries.

Heroic — Whenever you cast a spell that targets Mindreaver, exile the top three cards of target player's library.

, Sacrifice Mindreaver: Counter target spell with the same name as a card exiled with Mindreaver.

Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Flying

: Target player mills a card. Mindshrieker gets +X/+X until end of turn, where X is the milled card's mana value.

When Mindslicer dies, each player discards their hand.

Flash

At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus.

Instant and sorcery spells you cast cost less to cast for each oil counter on Mindsplice Apparatus.

Mindwarper enters the battlefield with three +1/+1 counters on it.

, Remove a +1/+1 counter from Mindwarper: Target player discards a card. Activate only as a sorcery.

, : Put a mine counter on target land.

Whenever a land with a mine counter on it becomes tapped, destroy it.

When Mine Layer leaves the battlefield, remove all mine counters from all lands.

Mines of Moria enters the battlefield tapped unless you control a legendary creature.

: Add .

, , Exile three cards from your graveyard: Create two Treasure tokens.

At the beginning of your upkeep, Minion of Tevesh Szat deals 2 damage to you unless you pay .

: Target creature gets +3/-2 until end of turn.

Trample

As Minion of the Wastes enters the battlefield, pay any amount of life.

Minion of the Wastes's power and toughness are each equal to the life paid as it entered the battlefield.

Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This creature gets +1/+0 for each other Illusion you control."

Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.

Choose one —

• Create a token that's a copy of target artifact creature you control.

• Create a token that's a copy of target nonartifact creature you control.

Entwine (Choose both if you pay the entwine cost.)

Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.

Vigilance

When Mirelurk Queen enters the battlefield, target player gets two rad counters.

Whenever one or more nonland cards are milled, draw a card, then put a +1/+1 counter on Mirelurk Queen. This ability triggers only once each turn.

Flying

Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard.

Trample

Whenever Mirkwood Elk enters the battlefield or attacks, return target Elf card from your graveyard to your hand. You gain life equal to that card's power.

Double strike, protection from black and from green

: Add .

: Add one mana of any color. Activate only if Mirrex entered the battlefield this turn.

, : Create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.)

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)

At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order.

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.

The "legend rule" doesn't apply.

Mirror Mirror enters the battlefield tapped.

, , Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

, Sacrifice Mirror of Fate: Choose up to seven face-up exiled cards you own. Exile all the cards from your library, then put the chosen cards on top of your library.

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

You may have Mirrorhall Mimic enter the battlefield as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, for each attacking modified creature you control, create a tapped and attacking token that's a copy of that creature. Exile those tokens at end of combat. (Equipment, Auras you control, and counters are modifications.)