Enchant creature

When Mesmerizing Dose enters, tap enchanted creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchanted creature doesn't untap during its controller's untap step.

Enchant creature

As Metamorphic Alteration enters, choose a creature.

Enchanted creature is a copy of the chosen creature.

Whenever another nontoken creature you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Meteor Shower deals X plus 1 damage divided as you choose among any number of targets.

(Transforms from Path of Mettle.)

: Add one mana of any color.

, : Metzali, Tower of Triumph deals 2 damage to each opponent.

, : Choose a creature at random that attacked this turn. Destroy that creature.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Choose target permanent an opponent controls. Search that player's library for a card with the same name and put it onto the battlefield under your control. Then that player shuffles.

Target opponent reveals each noncreature, nonland card in their hand. You choose a card revealed this way. That player discards that card. You lose 2 life. If they didn't reveal a card this way, you draw a card.

Choose a nonland card name and a number greater than 0. Target player reveals their library. If that library contains exactly the chosen number of cards with the chosen name, Mindblaze deals 8 damage to that player. Then that player shuffles.

Mirage Mesa enters tapped. As it enters, choose a color.

: Add one mana of the chosen color.

Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.

Whenever a player attacks you, target attacking creature gets -2/-0 until end of turn.

Whenever a player attacks, if they aren't attacking you, that player chooses an attacking creature. It gets +2/+0 until end of turn.

Mirror Mirror enters tapped.

, , Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

As Mirror of the Forebears enters, choose a creature type.

: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

Mirrorpool enters tapped.

: Add .

, , Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

, , Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

: Turn Mischievous Quanar face down.

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 Mischievous Quanar is turned face up, copy target instant or sorcery spell. You may choose new targets for that copy.

Choose one —

• Destroy target Cleric.

• Return target Cleric card from your graveyard to your hand.

• Target player loses 2 life.

Whenever Mishra, Lost to Phyrexia enters or attacks, choose three —

• Target opponent discards two cards.

• Mishra deals 3 damage to any target.

• Destroy target artifact or planeswalker.

• Creatures you control gain menace and trample until end of turn.

• Creatures you don't control get -1/-1 until end of turn.

• Create two tapped Powerstone tokens.

Choose one —

• Create two 1/1 colorless Soldier artifact creature tokens.

• Creatures you control get +2/+0 until end of turn.

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.)

: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Return target nonland permanent and each other nonland permanent with the same mana value as that permanent to their owners' hands.

Choose one —

• Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn.

• Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.

: You choose target creature an opponent controls, and that opponent chooses target creature. Flip a coin. If you win the flip, destroy the creature you chose. If you lose the flip, destroy the creature your opponent chose.

You may choose not to untap Mole Worms during your untap step.

: Tap target land. It doesn't untap during its controller's untap step for as long as Mole Worms remains tapped.

Choose one. If you descended this turn, you may choose both instead. (You descended if a permanent card was put into your graveyard from anywhere.)

• Destroy target creature or planeswalker.

• Destroy target noncreature, nonland permanent with mana value 1 or less.

Choose one or both —

• Molten Rebuke deals 5 damage to target creature or planeswalker.

• Destroy target Equipment.

As Monastery Siege enters, choose Khans or Dragons.

• Khans — At the beginning of your draw step, draw an additional card, then discard a card.

• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast.

Target player chooses a card in their hand and discards the rest.

Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.

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.

Choose target opponent and target creature they control. You and that player have a breath-holding contest. If you win, you gain control of that creature.

During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.)

Reveal the top three cards of your library. An opponent chooses one of them. Put that card into your graveyard and the rest into your hand.

Permanents you control with counters on them gain hexproof and indestructible until end of turn. Prevent all damage that would be dealt to those permanents this turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Roll a d20.

1–9 | Choose an opponent. That player sacrifices a creature of their choice.

10–19 | Each opponent sacrifices a creature of their choice.

20 | Each opponent sacrifices a creature with the greatest power among creatures that player controls.

When Mystic Barrier enters and at the beginning of your upkeep, choose left or right.

Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Mythos of Vadrok deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers. If was spent to cast this spell, until your next turn, those permanents can't attack or block and their activated abilities can't be activated.

You may cast sorcery spells as though they had flash.

Whenever Najal, the Storm Runner attacks, you may pay . If you do, when you next cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy.

Choose target creature you control. Each other creature becomes a copy of that creature until end of turn, except it isn't legendary.

Flash

When Naru Meha, Master Wizard enters, copy target instant or sorcery spell you control. You may choose new targets for the copy.

Other Wizards you control get +1/+1.

Strive — This spell costs more to cast for each target beyond the first.

Choose any number of target creatures. Put a +1/+1 counter on each of them.

, : Choose a card name. Target opponent reveals X cards at random from their hand. Then that player discards all cards with that name revealed this way. Activate only during your turn.

Enchant creature

Enchanted creature has "At the beginning of your upkeep, sacrifice this creature."

When enchanted creature dies, its controller chooses target creature one of their opponents controls. Return Necrotic Plague from its owner's graveyard to the battlefield attached to that creature.

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

Search target player's library for X cards, where X is the number of cards in your hand, and exile them. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Rogue Trader — Whenever Neyam Shai Murad deals combat damage to a player, you may have that player return target permanent card from their graveyard to their hand. If you do, that player chooses a permanent card in your graveyard, then you put it onto the battlefield under your control.

Choose one —

• Exile each creature with power greater than the number of cards in your hand.

• Exile each creature with power less than the number of cards in your hand.

Target opponent reveals their hand. You may choose a nonland card from it. If you do, that player discards that card. If you don't, that player discards two cards.

Support 2. (Put a +1/+1 counter on each of up to two target creatures.)

Choose up to one target creature an opponent controls. Each creature you control with a +1/+1 counter on it deals damage equal to its power to that creature.