, , Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

: 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.)

, : Look at the top five cards of your library. You may put a creature card with power 5 or greater from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Enchant creature

Enchanted creature has islandwalk and "Whenever this creature attacks, exile it and Meandered Towershell. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn, then return Meandered Towershell to the battlefield under its owner's control attached to that creature."

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.

Enchant artifact you control

At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

, 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

More Than Meets the Eye (You may cast this card converted for .)

Your opponents can't cast spells during combat.

At the beginning of each of your postcombat main phases, you may convert Megatron. If you do, add for each 1 life your opponents have lost this turn.

, : The controller of target instant or sorcery spell copies it. That player may choose new targets for the copy.

Put target permanent card from your graveyard on top of your library. (Then exile this card. You may cast the creature later from exile.)

Other green creatures you control get +1/+1.

When this creature enters, you may draw a card.

Mercadian Bazaar enters tapped.

: Put a storage counter on Mercadian Bazaar.

, Remove any number of storage counters from Mercadian Bazaar: Add for each storage counter removed this way.

When Merchant of Secrets enters, draw a card.

Flying

Whenever a nontoken creature you control dies, investigate.

Clues you control have exalted. (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

, , Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

When Merfolk Branchwalker enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Whenever one or more Halflings you control attack a player, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you cast an enchantment spell, you may draw a card.

Lifelink

When Metamorphosis Fanatic enters, return up to one target creature card from your graveyard to the battlefield with a lifelink counter on it.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

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.

Metathran Soldier can't be blocked.

: Regenerate Metathran Zombie.

When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle.

Enchant creature

Enchanted creature has ": This creature gets +1/+1 until end of turn."

Enchant artifact

When Mightstone's Animation enters, draw a card.

Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types.

Whenever an opponent attacks one or more planeswalkers you control, put a loyalty counter on each planeswalker you control.

Whenever a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card.

Flying, lifelink

When Militant Angel enters, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you attacked this turn.

Vigilance

: Prevent the next 1 damage that would be dealt to any target this turn.

You may play an additional land on each of your turns.

, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

When Mindclaw Shaman enters, target opponent reveals their hand. You may cast an instant or sorcery spell from among those cards without paying its mana cost.

: Miner's Bane gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Haste

Minotaur Tactician gets +1/+1 as long as you control a white creature.

Minotaur Tactician gets +1/+1 as long as you control a blue creature.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Mirage Phalanx is paired with another creature, each of those creatures has "At the beginning of combat on your turn, create a token that's a copy of this creature, except it has haste and loses soulbond. Exile it at end of combat."

At the beginning of combat on your turn, target Elf you control gains trample and gets +X/+X until end of turn, where X is the number of Forests you control.

For Mirrodin (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.)

Equipped creature gets +2/+1 and has vigilance.

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

Target creature gets +2/+2 until end of turn.

Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts.

Flying

Whenever you cast an artifact spell, you may untap target creature.

When Mirrormere Guardian dies, the Ring tempts you.

Up to two target creatures each get +4/+4 until end of turn.

Choose two —

• Choose target player. They may discard up to X cards. Then they draw a card for each card discarded this way.

• This spell deals X damage to target creature.

• This spell deals X damage to target planeswalker.

• Target creature gets +X/+0 and gains haste until end of turn.

Flying

Other Merfolk you control get +1/+0 and have flying.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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.

Trample

Whenever you cast a noncreature spell, Mizzium Tank becomes an artifact creature and gets +1/+1 until end of turn.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Create two 2/2 black Zombie creature tokens.

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

Defender

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

Flash

You may have Mocking Doppelganger enter as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded." (They attack each combat if able and attack a player other than you if able.)

Sacrifice Mogg Fanatic: It deals 1 damage to any target.