You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

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.

, Exile Memory Vessel: Each player exiles the top seven cards of their library. Until your next turn, players may play cards they exiled this way, and they can't play cards from their hand. Activate only as a sorcery.

Target player shuffles up to three target cards from their graveyard into their library.

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

Trample

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

Flying

When Mentor of Evos Isle enters the battlefield, choose a creature card in your hand. It perpetually gains flying.

When you cast this spell, copy it if you control a planeswalker, Cleric, Druid, Shaman, Warlock, or Wizard.

Scry 1, then draw a card.

Mercenary Informer can't be the target of black spells or abilities from black sources.

: Put target nontoken Mercenary on the bottom of its owner's library.

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.

: Target creature gains flying until end of turn.

Whenever you cast a blue spell, you may untap Merrow Levitator.

Whenever a permanent becomes untapped, that permanent's controller mills a card.

: Reveal any number of artifact cards in your hand. Add for each card revealed this way.

Spree (Choose one or more additional costs.)

+ — Until end of turn, target creature becomes a white Rabbit with base power and toughness 0/1.

+ — Target player draws two cards.

Put target permanent an opponent controls on top of its owner's library. That opponent may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Flying

Metathran Transport can't be blocked by blue creatures.

: Target creature becomes blue until end of turn.

: Choose a color of a permanent you control. Add one mana of that color.

Meteor Shower deals X plus 1 damage divided as you choose among any number of targets.

Meteor Swarm deals 8 damage divided as you choose among X target creatures and/or planeswalkers.

When Meteorite enters the battlefield, it deals 2 damage to any target.

: Add one mana of any color.

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.)

When Midvast Protector enters the battlefield, target creature you control gains protection from the color of your choice until end of turn.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

: Add .

, : Each player draws a card.

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.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost.

Each player exiles two cards from their hand.

Players can't search libraries.

: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead.

Whenever a nontoken creature enters the battlefield under your control, you may pay . If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

First strike, haste

When Minotaur Explorer enters the battlefield, sacrifice it unless you discard a card at random.

: Destroy target Aura attached to a creature you control.

Flying, vigilance

Whenever you surveil, put a +1/+1 counter on Mirko, Obsessive Theorist.

At the beginning of your end step, you may return target creature card with power less than Mirko's from your graveyard to the battlefield with a finality counter on it. (If it would die, exile it instead.)

: Add .

: Put a charge counter on Mirrodin's Core.

, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Changeling (This card is every creature type.)

: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Imprint — When Mirror Golem enters the battlefield, you may exile target card from a graveyard.

Mirror Golem has protection from each of the exiled card's card types. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)

Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Mirror Mirror enters the battlefield tapped.

, , Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

, Sacrifice Mirror of Fate: Choose up to seven face-up exiled cards you own. Exile all the cards from your library, then put the chosen cards on top of your library.

Whenever a creature enters the battlefield, if it was cast, exile it, then return all other permanent cards exiled with Mirror of Life Trapping to the battlefield under their owners' control.

: Copy target instant or sorcery spell that targets you. You may choose new targets for the copy.

All combat damage that would be dealt to you this turn by target unblocked creature is dealt to its controller instead.

Defender (This creature can't attack.)

: Mirror Wall can attack this turn as though it didn't have defender.

You may have Mirrorhall Mimic enter the battlefield as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types.

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

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Mirrorpool enters the battlefield tapped.

: Add .

, , Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

, , Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

Vigilance

Whenever a creature you control becomes the target of a backup ability, copy that ability. You may choose new targets for the copy. This ability triggers only once each turn.

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, for each attacking modified creature you control, create a tapped and attacking token that's a copy of that creature. Exile those tokens at end of combat. (Equipment, Auras you control, and counters are modifications.)

Flying

Whenever a player casts an instant or sorcery spell that targets only Mirrorwing Dragon, that player copies that spell for each other creature they control that the spell could target. Each copy targets a different one of those creatures.