When Master Skald enters the battlefield, you may exile a creature card from your graveyard. If you do, return target artifact or enchantment card from your graveyard to your hand.

Reach

Whenever a creature you control with power equal to its toughness attacks, it gains trample until end of turn.

When Master Thief enters the battlefield, gain control of target artifact for as long as you control Master Thief.

Servos and Thopters you control get +1/+1.

: Create a 1/1 colorless Servo artifact creature token.

Mastercraft Raptor's power is equal to the total power of the exiled cards used to craft it.

Choose one —

• Create two 3/3 colorless Golem artifact creature tokens.

• Choose target artifact you control. Each other artifact you control becomes a copy of that artifact until end of turn.

Choose one —

• Search your library for a card, put it into your hand, then shuffle.

• Put a card you own from outside the game into your hand.

When Master's Guide-Mural enters the battlefield, create a 4/4 white and blue Golem artifact creature token.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Whenever a permanent you control is turned face up, you gain 1 life for each creature you control.

: Manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Masumaro, First to Live's power and toughness are each equal to twice the number of cards in your hand.

Menace

At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."

Whenever Matsu-Tribe Birdstalker deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

: Matsu-Tribe Birdstalker gains reach until end of turn. (It can block creatures with flying.)

: Matsu-Tribe Sniper deals 1 damage to target creature with flying.

Whenever Matsu-Tribe Sniper deals damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

: Draw a card, then discard a card.

, : Transform Matzalantli, the Great Door. Activate only if there are four or more permanent types among cards in your graveyard. (Artifact, battle, creature, enchantment, land, and planeswalker are permanent types.)

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.

Equipped creature gets +2/+2 and has flying and first strike.

Equip

Trample

When Maulfist Revolutionary enters the battlefield or dies, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

When Maverick Thopterist enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink.

Sacrifice a creature: Creatures you control get +1/+1 until end of turn.

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

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

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

Whenever Mayhem Patrol attacks, target creature gets +1/+0 until end of turn.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Trample

Multicolored creatures you control have trample.

Vigilance

Multicolored creatures you control have vigilance.

Flash

Enchant creature

When Maze's Mantle enters the battlefield, if enchanted creature has toxic, that creature gains hexproof until end of turn.

Enchanted creature gets +2/+2.

Whenever an enchanted creature attacks one of your opponents, it gets +2/+0 and gains trample until end of turn.

Whenever an Aura you control is put into your graveyard from the battlefield, exile it. Until the end of your next turn, you may cast that card.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Meandering Towershell attacks, exile it. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn.

, Exile Mechtitan Core and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with Mechtitan Core except Mechtitan Core to the battlefield tapped under their owners' control.

Crew 2

Draw four cards. You skip your next turn.

Flying

Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.

Medomai the Ageless can't attack during extra turns.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Draw two cards.

Sliver creatures you control get +3/+3.

Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn.

Living metal (As long as it's your turn, this Vehicle is also a creature.)

Whenever Megatron attacks, you may sacrifice another artifact. When you do, Megatron deals damage equal to the sacrificed artifact's mana value to target creature. If excess damage would be dealt to that creature this way, instead that damage is dealt to that creature's controller and you convert Megatron.

Vigilance, trample

Whenever Meglonoth blocks a creature, Meglonoth deals damage to that creature's controller equal to Meglonoth's power.

When Meldweb Curator enters the battlefield, put up to one target instant or sorcery card from your graveyard on top of your library.

Play with the top card of your library revealed.

You may cast instant and sorcery spells from the top of your library.

Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Heroic — Whenever you cast a spell that targets Meletis Astronomer, look at the top three cards of your library. You may reveal an enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

You can't get poison counters.

Creatures you control can't have -1/-1 counters put on them.

Creatures your opponents control lose infect.

Flying

, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

Destroy each artifact with mana value X or less.

Memorial to Genius enters the battlefield tapped.

: Add .

, , Sacrifice Memorial to Genius: Draw two cards.

Memorial to Unity enters the battlefield tapped.

: Add .

, , Sacrifice Memorial to Unity: Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Then put the rest on the bottom of your library in a random order.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Each player shuffles their hand and graveyard into their library, then draws seven cards.

Buyback costs cost less.

When Memory Test enters the battlefield, target opponent exiles cards from the bottom of their library until they exile five nonland cards, then turns those nonland cards face down.

Visit — Name the exiled face-down cards, then look at them. If you named them correctly, turn them face up, then claim the prize

Prize — Create three 1/1 red Balloon creature tokens with flying, then sacrifice Memory Test and open an Attraction.

Lights — 4, 6

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. You may put a card that has an Adventure that player owns from exile into that player's graveyard.

Trample

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)