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 Morgue Thrull: Mill three cards.

Flying

Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

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

When Moriok Scavenger enters, you may return target artifact creature card from your graveyard to your hand.

Exile all graveyards.

: Untap Morphling.

: Morphling gains flying until end of turn.

: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.)

: Morphling gets +1/-1 until end of turn.

: Morphling gets -1/+1 until end of turn.

Morselhoarder enters with two -1/-1 counters on it.

Remove a -1/-1 counter from Morselhoarder: Add one mana of any color.

Enchant creature you control

Enchanted creature gets +1/+1.

Whenever enchanted creature deals combat damage to a player, you may sacrifice Mortal Obstinacy. If you do, destroy target enchantment.

Target creature gets +1/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Living weapon (When this Equipment enters, 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

Destroy target creature or enchantment.

, Discard a card: Exile target card from a graveyard.

, Sacrifice Mortiphobia: Exile target card from a graveyard.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.

: Regenerate Mortivore. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

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

Moss Diamond enters tapped.

: Add .

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

, : Add .

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

Whenever a creature an opponent controls dies, sacrifice Mother of Goons unless you insult that creature.

Flying

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Haste

Red legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Mountain Valley enters tapped.

, Sacrifice Mountain Valley: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Reach (This creature can block creatures with flying.)

: Mounted Archers can block an additional creature this turn.

, : Target player gains 1 life.

( can be paid with either or .)

Flying

Whenever Mourning Thrull deals damage, you gain that much life.

: Add .

, , Sacrifice Mouth of Ronom: It deals 4 damage to target creature. ( can be paid with one mana from a snow source.)

If Mox Diamond would enter, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

: Add one mana of any color.

: Add .

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

: Add .

Flying

, : Return Mtenda Griffin to its owner's hand and return target Griffin card from your graveyard to your hand. Activate only during your upkeep.

Whenever Mtenda Lion attacks, defending player may pay . If that player does, prevent all combat damage that would be dealt by Mtenda Lion this turn.

Mudbrawler Raiders can't be blocked by blue creatures.

When Mudbutton Torchrunner dies, it deals 3 damage to any target.

Target player exiles all land cards from their graveyard.

Mugging deals 2 damage to target creature. That creature can't block this turn.

Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

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

Multani, Maro-Sorcerer's power and toughness are each equal to the total number of cards in all players' hands.

Destroy all enchantments. You gain 2 life for each enchantment destroyed this way.

Whenever a spell you've cast is countered, draw a card.

You can't untap more than one land during your untap step.

Whenever Murasa Pyromancer or another Ally you control enters, you may have Murasa Pyromancer deal damage to target creature equal to the number of Allies you control.

Enchant creature you control

When enchanted creature dies, create X 1/1 white Soldier creature tokens, where X is its power.

, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Destroy target nonblack creature. It can't be regenerated. You gain control of all Equipment that were attached to it. (This effect lasts indefinitely.)

Other green creatures you control get +1/+1.

Other blue creatures you control get +1/+1.

Untap all green and/or blue creatures you control during each other player's untap step.