Flying

When Messenger Falcons enters, draw a card.

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.

This spell costs less to cast, where X is the total mana value of noncreature artifacts you control.

Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

Enchant creature

As Metamorphic Alteration enters, choose a creature.

Enchanted creature is a copy of the chosen creature.

Threshold — Metamorphic Wurm gets +4/+4 as long as seven or more cards are in your graveyard.

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

Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Flying

: You may put a creature card with mana value X from your hand onto the battlefield. If you do, return Metathran Aerostat to its owner's hand.

Flying

Metathran Transport can't be blocked by blue creatures.

: Target creature becomes blue until end of turn.

Meteor Blast deals 4 damage to each of X targets.

When this creature enters, destroy target nonland permanent an opponent controls.

, Discard two cards at random: Meteor Storm deals 4 damage to any target.

Equipped creature gets +4/+0 and has trample.

Equip

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

(: Add or .)

Meticulous Archive enters tapped.

When Meticulous Archive enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

When a spell or ability an opponent controls causes you to discard Metrognome, create four 1/1 colorless Gnome artifact creature tokens.

, : Create a 1/1 colorless Gnome artifact creature token.

Flying, vigilance

You have hexproof.

Whenever Metropolis Reformer is dealt damage, you gain that much life.

(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.

Whenever Miara, Thorn of the Glade or another Elf you control dies, you may pay and 1 life. If you do, draw a card.

Partner (You can have two commanders if both have partner.)

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent of your choice.

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.

: Surveil 1.

: Target permanent card in a graveyard becomes a 0/0 black Germ creature in addition to its other colors and types until end of turn. (This effect ends if it leaves the graveyard.)

: Add .

: Put an hour counter on Midnight Clock.

At the beginning of each upkeep, put an hour counter on Midnight Clock.

When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Other Aetherborn you control get +1/+1.

Whenever Midnight Entourage or another Aetherborn you control dies, you draw a card and you lose 1 life.

Return target creature card from your graveyard to your hand.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Put two +1/+1 counters on target creature.

Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard.

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 creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead.

Target creature gets +1/+1 until end of turn for each creature you control.

Target creature gets +2/+2 until end of turn for each of its colors.

Attacking creatures get +1/+0.

Trample

Ward—Discard a card.

Whenever Mighty Servant of Leuk-o becomes crewed for the first time each turn, if it was crewed by exactly two creatures, it gains "Whenever this creature deals combat damage to a player, draw two cards" until end of turn.

Crew 4

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Cycling (, Discard this card: Draw a card.)

Create four 1/1 white Bird creature tokens with flying.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

: Add .

, : Each player draws a card.

Militant Inquisitor gets +1/+0 for each Equipment you control.

Flying

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.

Defender

Your maximum hand size is increased by one.

: Add .

, : Untap target legendary permanent.

Minas Morgul, Dark Fortress enters tapped.

: Add .

, : Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

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

Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.

Discard a card: You may tap or untap target artifact, creature, or land.

: Add .

, , Sacrifice Mind Stone: Draw a card.

At the beginning of your upkeep, put a lore counter on Mind Unbound, then draw a card for each lore counter on Mind Unbound.

Exploit (When this creature enters, you may sacrifice a creature.)

When Mindleech Ghoul exploits a creature, each opponent exiles a card from their hand.

When Mindless Conscription enters and whenever you draw your third card each turn, amass Zombies 3. (Put three +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

At the beginning of your upkeep, draw a card if you had no cards in hand at the beginning of this turn. If you had a card in hand, Mindstorm Crown deals 1 damage to you.

If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost.

Mine Collapse deals 5 damage to target creature or planeswalker.