As an additional cost to cast this spell, sacrifice X Contraptions.

Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

: Add .

, : Each player draws a card.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

, : Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

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

, , 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 the player.)

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Minister of Pain exploits a creature, creatures your opponents control get -1/-1 until end of 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.

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

Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts.

Whenever another nontoken artifact enters the battlefield under your control, you may pay . If you do, create a token that's a copy of that artifact.

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Mistfire Weaver is turned face up, target creature you control gains hexproof until end of turn.

Mizzium Mortars deals 4 damage to target creature you don't control.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

: Mizzium Transreliquat becomes a copy of target artifact until end of turn.

: Mizzium Transreliquat becomes a copy of target artifact, except it has this ability.

Mogg Flunkies can't attack or block alone.

Undergrowth — This spell costs less to cast for each creature card in your graveyard.

When Molderhulk enters the battlefield, return target land card from your graveyard to the battlefield.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Metalcraft — If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

At the beginning of your upkeep, sacrifice Molten-Tail Masticore unless you discard a card.

, Exile a creature card from your graveyard: Molten-Tail Masticore deals 4 damage to any target.

: Regenerate Molten-Tail Masticore.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Monastery Loremaster is turned face up, return target noncreature, nonland card from your graveyard to your hand.

Haste

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

, : Exile target card from a graveyard.

, , Sacrifice Moratorium Stone: Exile target nonland card from a graveyard, all other cards from graveyards with the same name as that card, and all permanents with that name.

Return target creature card from your graveyard to your hand. Morgue Burst deals damage to any target equal to the power of the card returned this way.

, Sacrifice Moriok Replica: You draw two cards and you lose 2 life.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +0/+1 and has "Sacrifice this creature: This creature deals 1 damage to any target."

Equip

: All creatures able to block Mortipede this turn do so.

When Mortus Strider dies, return it to its owner's hand.

Metalcraft — : Add one mana of any color. Activate only if you control three or more artifacts.

Destroy target creature.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Destroy target creature.

Mycosynth Fiend gets +1/+1 for each poison counter your opponents have.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

, : Create a token that's a copy of Myr Propagator.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

: Create a 1/1 colorless Myr artifact creature token.

, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle.

Myriad Landscape enters the battlefield tapped.

: Add .

, , Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value.

Mystic of the Hidden Way can't be blocked.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever you cast a noncreature spell, put a lore counter on Myth Realized.

: Put a lore counter on Myth Realized.

: Until end of turn, Myth Realized becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it."

Battalion — Whenever Nav Squad Commandos and at least two other creatures attack, Nav Squad Commandos gets +1/+1 until end of turn. Untap it.

Flying

When Necrogen Scudder enters the battlefield, you lose 3 life.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Necropede dies, you may put a -1/-1 counter on target creature.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Whenever a source deals damage to Nested Ghoul, create a 2/2 black Phyrexian Zombie creature token.

Nettle Sentinel doesn't untap during your untap step.

Whenever you cast a green spell, you may untap Nettle Sentinel.

Whenever you crank Neural Network, gain control of target creature an opponent controls with power less than or equal to the number of creature cards in its controller's graveyard until end of turn. Untap that creature. It gains haste until end of turn.

Neurok Invisimancer can't be blocked.

When Neurok Invisimancer enters the battlefield, target creature can't be blocked this turn.

: Target creature gains flying until end of turn.

: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Flying

At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay .

Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

Flying, deathtouch

Hexproof (This creature can't be the target of spells or abilities your opponents control.)