Flying

: Mistform Dreamer becomes the creature type of your choice until end of turn.

Whenever Mistmeadow Vanisher becomes tapped, exile up to one target nonland, nontoken permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Mist-Syndicate Naga deals combat damage to a player, create a token that's a copy of Mist-Syndicate Naga.

You may pay and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Mistvein Borderpost enters tapped.

: Add or .

Flash (You may cast this spell any time you could cast an instant.)

When Mizzium Meddler enters, you may change a target of target spell or ability to Mizzium Meddler.

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

Secret council — Each player secretly votes for another player, then those votes are revealed. For each vote an opponent received, Mob Verdict deals 2 damage to that player and each creature that player controls. For each vote you received, draw a card.

: Add .

: Mobilized District becomes a 3/3 Citizen creature with vigilance until end of turn. It's still a land. This ability costs less to activate for each legendary creature and planeswalker you control.

Flying

You may have Mockingbird enter as a copy of any creature on the battlefield with mana value less than or equal to the amount of mana spent to cast Mockingbird, except it's a Bird in addition to its other types and it has flying.

You can't cast more than one spell each turn.

Whenever you cast a spell, draw a card.

Whenever an opponent casts a spell, you have five seconds to choose a keyword you haven't chosen for a card named Modular Monstrosity today that's been printed on a creature card. If you do, Modular Monstrosity gains that ability. Otherwise, Modular Monstrosity loses all keyword abilities.

Mogg Squad gets -1/-1 for each other creature on the battlefield.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature of their choice.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Mogis's Warhound attacks each combat if able.

Enchanted creature gets +2/+2 and attacks each combat if able.

When Moira Brown, Guide Author enters, create a colorless Equipment artifact token named Wasteland Survival Guide with "Equipped creature gets +1/+1 for each quest counter among permanents you control" and equip .

Whenever you attack, put a quest counter on target nonland permanent you control.

When Mold Demon enters, sacrifice it unless you sacrifice two Swamps.

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

When Mold Shambler enters, if it was kicked, destroy target noncreature permanent.

Trample

Whenever an artifact is put into a graveyard from the battlefield, Molder Beast gets +2/+0 until end of turn.

Undergrowth — This spell costs less to cast for each creature card in your graveyard.

When Molderhulk enters, return target land card from your graveyard to the battlefield.

Trample, lifelink

Whenever a creature you control dies, you gain 1 life and draw a card.

Trample

When Moldgraf Monstrosity dies, exile it, then return two creature cards at random from your graveyard to the battlefield.

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

If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Molten Disaster deals X damage to each creature without flying and each player.

Flying

When Molten Firebird dies, return it to the battlefield under its owner's control at the beginning of the next end step and you skip your next draw step.

: Exile Molten Firebird.

Haste

When Molten Primordial enters, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

Target creature gets +2/+1 and gains lifelink until end of turn.

Draw a card.

If one or more tokens would be created under your control, twice that many of those tokens are created instead.

, Sacrifice two other artifacts and/or creatures: Put an indestructible counter on Mondrak, Glory Dominus. ( can be paid with either or 2 life.)

When Monk Idealist enters, return target enchantment card from your graveyard to your hand.

Whenever you roll a 3 or higher, Monoxa, Midway Manager gains first strike until end of turn. If the roll was 4 or higher, it gains menace until end of turn. If the roll was 5 or higher, it gains lifelink until end of turn.

: Roll a six-sided die.

, : You may put a creature card from your hand onto the battlefield.

Monstrous Hound can't attack unless you control more lands than defending player.

Monstrous Hound can't block unless you control more lands than attacking player.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Moonblade Shinobi deals combat damage to a player, create a 1/1 blue Illusion creature token with flying.

As long as you control a Yanling planeswalker, Moon-Eating Dog has flying. (It can't be blocked except by creatures with flying or reach.)

Sacrifice Moonlit Strider: Target creature you control gains protection from the color of your choice until end of turn.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

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

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonrise Intruder.

Flying

When Moonshae Pixie enters, draw cards equal to the number of opponents who were dealt combat damage this turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

: Add .

, , Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

When Moorland Rescuer dies, return any number of other creature cards with total power X or less from your graveyard to the battlefield, where X is Moorland Rescuer's power. Exile Moorland Rescuer.

Exile target creature card from a graveyard, then create X 1/1 green Saproling creature tokens, where X is the exiled card's toughness.

Morbid Hunger deals 3 damage to any target. You gain 3 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return up to two target creature cards from your graveyard to your hand.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

−2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

−10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

You draw a card and you lose 1 life.

Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Defender

Whenever you attack with one or more Goblins and/or Orcs, create a 2/1 colorless Construct artifact creature token with flying named Ballistic Boulder that's tapped and attacking. Sacrifice that token at end of combat.

Enchant creature

Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life."

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

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

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.

You have no maximum hand size.

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you draw your second card each turn, put two +1/+1 counters on Morska, Undersea Sleuth.

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.)