Marvin, Murderous Mimic has all activated abilities of creatures you control that don't have the same name as this creature.

When this creature enters, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Menace

If one or more +1/+1 counters would be put on an Army, Goblin, or Orc you control, that many plus one +1/+1 counters are put on it instead.

At the beginning of your end step, sacrifice Measure of Wickedness and you lose 8 life.

Whenever another card is put into your graveyard from anywhere, target opponent gains control of Measure of Wickedness.

If you would get one or more poison counters, instead you get one poison counter and you can't get additional poison counters this turn.

Exile Melira, the Living Cure: Choose another target creature or artifact. When it's put into a graveyard this turn, return that card to the battlefield under its owner's control.

: Add one mana of any one color. Spend this mana only to cast a creature spell.

Whenever you cast a creature spell that doesn't share a creature type with a creature card in your library, draw a card.

Exile target creature. Incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Flying

Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn.

You may have Mercurial Pretender enter as a copy of a creature you control, except it has ": Return this creature to its owner's hand."

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

: Switch target creature's power and toughness until end of turn.

Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.

, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.

When Michonne enters, create two Walker tokens.

As long as Michonne is equipped, she must be blocked if able.

Whenever Michonne and at least two Zombies attack, she gains indestructible until end of turn.

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

Target creature gets +3/+3 until end of turn. If this spell was kicked, that creature gets +5/+5 until end of turn instead.

Target player discards X cards, where X is one plus the number of cards named Mind Burst in all graveyards.

You draw X cards and you lose X life, where X is the number of creatures you control.

Haste

When Minotaur de Force enters, you get , then you may put a sticker on a nonland permanent you own.

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

, Sacrifice Minotaur Illusionist: It deals damage equal to its power to target creature.

Reach (This creature can block creatures with flying.)

: Minotaur Sureshot gets +1/+0 until end of turn.

Flying, first strike, haste

Whenever Mirri the Cursed deals combat damage to a creature, put a +1/+1 counter on Mirri the Cursed.

Whenever Mistford River Turtle attacks, another target attacking non-Human creature can't be blocked this turn.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, you may destroy target artifact or enchantment.

Devoid (This card has no color.)

Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw cards equal to the mana value of the sacrificed permanent.

Flying

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

Return up to one target creature card from your graveyard to your hand. Create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Enchant creature

Enchanted creature gets -2/-0.

: Return Mourning to its owner's hand.

( can be paid with either or .)

Flying

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

Haste

Delirium — When Mournwillow enters, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can't block this turn.

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

Creatures with no abilities get +2/+2.

Landfall — Whenever a land you control enters, you may pay . If you do, put two +1/+1 counters on Murasa Ranger.

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

When Murasa Sproutling enters, if it was kicked, return target card with a kicker ability from your graveyard to your hand.

Enchant creature you control

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

Equipped creature gets +2/+2.

Equip—Discard a card.

Destroy target tapped creature.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Murderous Redcap enters, it deals damage equal to its power to any target.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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

Devoid (This card has no color.)

When Murk Strider enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target creature to its owner's hand.

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

Flying

Murktide Regent enters with a +1/+1 counter on it for each instant and sorcery card exiled with it.

Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.

Murky Sewer enters tapped unless a player has 13 or less life.

: Add or .

(: Add .)

As Murmuring Bosk enters, you may reveal a Treefolk card from your hand. If you don't, Murmuring Bosk enters tapped.

: Add or . Murmuring Bosk deals 1 damage to you.

Defender

Target creature gets +X/+X until end of turn, where X is 3 plus the number of cards named Muscle Burst in all graveyards.

: 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.

: Add for each counter on Nardole. Spend this mana only to cast noncreature spells.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles.