, 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.

Morbid — When Morkrut Banshee enters, if a creature died this turn, target creature gets -4/-4 until end of turn.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever Morkrut Necropod attacks or blocks, sacrifice another creature or land.

Exile all graveyards.

Changeling (This card is every creature type.)

As Morophon, the Boundless enters, choose a creature type.

Spells of the chosen type you cast cost less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

: 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.

At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

Enchant creature

When enchanted creature is dealt damage, destroy it.

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.)

Flying

Primarch of the Death Guard — At the beginning of your end step, you may pay . If you do, create X 2/2 black Astartes Warrior creature tokens with menace. X can't be greater than the amount of life you lost this turn.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Mortician Beetle.

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

Whenever Mortis Dogs attacks, it gets +2/+0 until end of turn.

When Mortis Dogs dies, target player loses life equal to its power.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

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

Moss Diamond enters tapped.

: Add .

Trample

When Mossbeard Ancient enters, you gain 5 life.

Vigilance

, , Sacrifice Mossfire Egg: Add . Draw a card.

Kicker (You may pay an additional as you cast this spell.)

If Moss-Pit Skeleton was kicked, it enters with three +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on a creature you control, if Moss-Pit Skeleton is in your graveyard, you may put Moss-Pit Skeleton on top of your library.

Trample

When Mosswood Dreadknight dies, you may cast it from your graveyard as an Adventure until the end of your next turn.

Flash

Enchant creature

Enchanted creature gets +2/+1.

When enchanted creature dies, create two Treasure tokens.

, Exile Mother Bear from your graveyard: Create two 2/2 green Bear creature tokens. Activate only as a sorcery.

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

This spell costs less to cast if you have no creature cards in hand not named Mothrider Cavalry.

Flying

Other creatures you control get +1/+1.

Flying

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

Trample, haste

Whenever Motivated Pony attacks, attacking creatures get +1/+1 until end of turn. If a Food entered under your control this turn, untap those creatures and they get an additional +2/+2 until end of turn.

At the beginning of combat on your turn, you may discard a card. When you do, Mount Velus Manticore deals X damage to any target, where X is the number of card types the discarded card has.

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.

Imprint — When Mourner's Shield enters, you may exile target card from a graveyard.

, : Prevent all damage that would be dealt this turn by a source of your choice that shares a color with the exiled card.

, : Target player gains 1 life.

Vigilance

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

When Mournwhelk enters, target player discards two cards.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flash

Valiant — Whenever Mouse Trapper becomes the target of a spell or ability you control for the first time each turn, tap target creature an opponent controls.

: Add .

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

Vigilance, trample

If one or more +1/+1 counters would be put on Mowu, Loyal Companion, that many plus one +1/+1 counters are put on it instead.

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 .

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Add one mana of any color.

Whenever you roll a 4 or higher, create a 3/3 colorless Robot artifact creature token. If you rolled 6 or higher, instead create that token and a Treasure token.

, : Roll a six-sided die plus an additional six-sided die for each mana from Treasures spent to activate this ability.

Vigilance

Whenever you cast a spell, target opponent draws a card. Put a +1/+1 counter on target creature. It gains flying until end of turn. If this is the second time this ability has resolved this turn, you draw two cards.

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