Flash

When Malamet Scythe enters, attach it to target creature you control.

Equipped creature gets +2/+2.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Malamet War Scribe enters, creatures you control get +2/+1 until end of turn.

When Malcator, Purity Overseer enters, create a 3/3 colorless Phyrexian Golem artifact creature token.

At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token.

Flash

Flying

Whenever Malcolm, Alluring Scoundrel deals combat damage to a player, put a chorus counter on it. Draw a card, then discard a card. If there are four or more chorus counters on Malcolm, you may cast the discarded card without paying its mana cost.

Flying, haste

Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice a creature: Return target creature card from your graveyard to your hand.

, Sacrifice Malevolent Hermit: Counter target noncreature spell unless its controller pays .

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

Reveal the top four cards of your library. You may put a permanent card from among them into your hand. Put the rest into your graveyard. Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add ."

Flying

When Malevolent Witchkite enters, sacrifice any number of artifacts, enchantments, and/or tokens, then draw that many cards.

Enchant artifact or creature

When Malfunction enters, tap enchanted permanent.

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

Tap X target artifacts, creatures, and/or lands. You lose X life.

All creatures get -2/-2 until end of turn. If a creature an opponent controls would die this turn, exile it instead.

Flying

Malicious Invader gets +2/+0 as long as an opponent controls a Human.

Cumulative upkeep (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.)

At the beginning of your upkeep, put a growth counter on Malignant Growth.

At the beginning of each opponent's draw step, that player draws an additional card for each growth counter on Malignant Growth, then Malignant Growth deals damage to the player equal to the number of cards they drew this way.

Flash

Flying

You may have Malleable Impostor enter as a copy of a creature an opponent controls, except it's a Faerie Shapeshifter in addition to its other types and it has flying.

Enchant creature

Enchanted creature loses flying.

Whenever enchanted creature blocks or becomes blocked by a creature, the other creature gains first strike until end of turn.

Enchant creature

Enchanted creature gets +3/+3 and has vigilance.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

If a player would add mana, instead all players add that mana.

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Whenever you cast a multicolored spell, Mana Cannons deals X damage to any target, where X is the number of colors that spell is.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

: Add .

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell's mana value.

Add for each nonland permanent with art by the artist of your choice.

When Mana Geode enters, scry 1.

: Add one mana of any color.

Counter target spell unless its controller pays .

Instant and enchantment spells you cast cost less to cast.

: Add .

, : Add one mana of any color.

: Flip a coin. If you win the flip, add . Activate only as an instant.

Search your library for any number of land cards, exile them, then shuffle.

Flying

Whenever Mana Skimmer deals damage to a player, tap target land that player controls. That land doesn't untap during its controller's next untap step.

Lands target player controls don't untap during their next untap step.

When you cast this spell, counter it unless you sacrifice a land.

At the beginning of each player's upkeep, that player sacrifices a land.

When there are no lands on the battlefield, sacrifice Mana Vortex.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Flying, trample

Join forces — Whenever Mana-Charged Dragon attacks or blocks, each player starting with you may pay any amount of mana. Mana-Charged Dragon gets +X/+0 until end of turn, where X is the total amount of mana paid this way.

Domain — Equipped creature gets +1/+1 for each basic land type among lands you control.

Equip

Flying

Whenever you cast a noncreature spell, create an X/X red Dragon Illusion creature token with flying and haste, where X is the amount of mana spent to cast that spell. Exile that token at the beginning of the next end step.

Flying

Managorger Phoenix can't block.

Whenever you cast a spell, if Managorger Phoenix is in your graveyard, put a flame counter on Managorger Phoenix for each in that spell's mana cost. If Managorger Phoenix has five or more flame counters on it, return it to the battlefield and it perpetually gets +1/+1.

: Add one mana of any color.

Whenever you cast a spell, Manaplasm gets +X/+X until end of turn, where X is that spell's mana value.

Sliver creatures you control have ": Add one mana of any color."

Cast this spell only during combat.

Your opponents can't cast spells this turn.

End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

Lifelink

Whenever another artifact you control enters, Mandible Justiciar gets +1/+1 until end of turn.

Vigilance

Lifelink

Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card.

Whenever an opponent casts their second spell each turn, draw a card.

As Mangara's Equity enters, choose black or red.

At the beginning of your upkeep, sacrifice Mangara's Equity unless you pay .

Whenever a creature of the chosen color deals damage to you or a white creature you control, Mangara's Equity deals that much damage to that creature.

When Manglehorn enters, you may destroy target artifact.

Artifacts your opponents control enter tapped.

When Manic Scribe enters, each opponent mills three cards.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Reveal the top ten cards of your library. Starting with the next opponent in turn order, each opponent chooses a different nonland card from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.