When Maggot Carrier enters the battlefield, each player loses 1 life.

, : Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Magus of the Scroll deals 2 damage to any target.

: Add or . Activate no more than three times each turn.

: Mardu Hateblade gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Whenever Mardu Woe-Reaper or another Warrior enters the battlefield under your control, you may exile target creature card from a graveyard. If you do, you gain 1 life.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

, Reveal X black cards from your hand, Sacrifice Martyr of Bones: Exile up to X target cards from a single graveyard.

, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.

, Sacrifice a creature: Target creature can't attack this turn.

Flying

Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn.

Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays , where X is Mausoleum Wanderer's power.

, Discard a card: Draw a card.

, , Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying

Whenever Merfolk Windrobber deals combat damage to a player, that player mills a card. (They put the top card of their library into their graveyard.)

Sacrifice Merfolk Windrobber: Draw a card. Activate only if an opponent has eight or more cards in their graveyard.

When Merrow Witsniper enters the battlefield, target player mills a card.

Protection from Vampires

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

Flying, vigilance

When Miner's Guidewing dies, target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)

When Minister of Inquiries enters the battlefield, you get (two energy counters).

, Pay : Target player mills three cards.

Deathtouch

Whenever Mirkwood Spider attacks, target legendary creature you control gains deathtouch until end of turn.

Mist-Cloaked Herald can't be blocked.

Flying

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Mistway Spy is turned face up, until end of turn, whenever a creature you control deals combat damage to a player, investigate.

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

Whenever an opponent casts a spell, Mogg Sentry gets +2/+2 until end of turn.

Flying

At the beginning of your upkeep, sacrifice Molting Harpy unless you pay .

Flurry of Blows — Whenever you cast your second spell each turn, put a +1/+1 counter on Monk of the Open Hand.

Sacrifice a creature or land: Add .

First strike

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

Whenever Mossdog becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on Mossdog.

: Target creature you control gains protection from the color of your choice until end of turn.

Haste

Flanking <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay for each age counter on it.)

Mwonvuli Ooze's power and toughness are each equal to 1 plus twice the number of age counters on it.

When Myr Moonvessel dies, add .

At the beginning of your upkeep, if Myr Servitor is on the battlefield, each player returns all cards named Myr Servitor from their graveyard to the battlefield.

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Mystic Penitent gets +1/+1 and has flying.

Deathtouch

Revolt — Narnam Renegade enters the battlefield with a +1/+1 counter on it if a permanent you controlled left the battlefield this turn.

, : Exile another target creature you control, then return that card to the battlefield under your control.

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.

Escape—, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)

Nettle Sentinel doesn't untap during your untap step.

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

, Sacrifice Neverwinter Dryad: Search your library for a basic Forest card, put it onto the battlefield tapped, then shuffle.

Sacrifice Nezumi Shadow-Watcher: Destroy target Ninja.

, : Put target creature you control on top of its owner's library.

, : Target creature gains first strike until end of turn.

Shroud (This creature can't be the target of spells or abilities.)

Threshold — Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.

Exile an instant or sorcery spell you control: Put two +1/+1 counters on Nivmagus Elemental. (That spell won't resolve.)

: The next 1 damage that would be dealt to Nomads en-Kor this turn is dealt to target creature you control instead.

When Novice Inspector enters the battlefield, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever a player casts a green spell, you may pay . If you do, target creature gets +1/+1 until end of turn.