: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)

: Gain control of target artifact. (This effect lasts indefinitely.)

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

At the beginning of your end step, if you didn't play a land this turn, you may draw a card.

, , 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.

Visit — Creatures you control with power 2 or less gain horsemanship until end of turn. (They can't be blocked except by creatures with horsemanship.)

Lights — 5, 6

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

When Metalspinner's Puzzleknot enters the battlefield, you draw a card and you lose 1 life.

, Sacrifice Metalspinner's Puzzleknot: You draw a card and you lose 1 life.

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

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

: Add one mana of any color.

Midnight Entity — Whenever Midnight Crusader Shuttle attacks, defending player faces a villainous choice — That player sacrifices a creature, or you gain control of a creature of your choice that player controls until end of turn. If you gain control of a creature this way, tap it, and it's attacking that player.

Crew 2

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

, Mill a card: Add . (To mill a card, put the top card of your library into your graveyard.)

, Sacrifice Mimic: Add one mana of any color.

: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.

: Add .

, , Sacrifice Mind Stone: Draw a card.

Mindless Automaton enters the battlefield with two +1/+1 counters on it.

, Discard a card: Put a +1/+1 counter on Mindless Automaton.

Remove two +1/+1 counters from Mindless Automaton: Draw a card.

, , Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

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

: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

As long as Mirran Safehouse is on the battlefield, it has all activated abilities of all land cards in all graveyards.

The "legend rule" doesn't apply.

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.

, : Scry 1, then draw a card. This ability costs less to activate for each legendary creature you control.

As Mirror of the Forebears enters the battlefield, choose a creature type.

: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate only during your upkeep.

Whenever another nontoken artifact enters the battlefield under your control, you may pay . If you do, create a token that's a copy of that artifact.

, Sacrifice Mishra's Bauble: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

, : Tap X target lands.

, , Sacrifice Mishra's Research Desk: Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Unearth (: Return this card from your graveyard to the battlefield. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

Mistvault Bridge enters the battlefield tapped.

Indestructible

: Add or .

: Mizzium Transreliquat becomes a copy of target artifact until end of turn.

: Mizzium Transreliquat becomes a copy of target artifact, except it has this ability.

Whenever Mobile Garrison attacks, untap another target artifact or creature you control.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever players finish voting, you and each opponent who voted for a choice you voted for may scry 2.

: Add one mana of any color.

: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.

When a creature enters the battlefield, sacrifice Monkey Cage and create X 2/2 green Monkey creature tokens, where X is that creature's mana value.

, : Search your library for a basic, Sphere, or Locus land card, reveal it, put it into your hand, then shuffle.

: Monument to Perfection becomes a 9/9 Phyrexian Construct artifact creature, loses all abilities, and gains indestructible and toxic 9. Activate only if there are nine or more lands with different names among the basic, Sphere, and Locus lands you control.

Whenever you draw a card, exile the top card of your library face down.

At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Moonring Mirror into your hand.

Equipped creature has first strike.

Whenever equipped creature attacks, create a 4/4 white Angel creature token with flying.

Equip

, Sacrifice Moriok Replica: You draw two cards and you lose 2 life.

Moss Diamond enters the battlefield tapped.

: Add .

Imprint — When Mourner's Shield enters the battlefield, you may exile target card from a graveyard.

, : Prevent all damage that would be dealt this turn by a source of your choice that shares a color with the exiled card.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

: Add one mana of any color.

: Add .

Metalcraft — : Add one mana of any color. Activate only if you control three or more artifacts.

: Add .

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

: Add one mana of any color.

When Multiform Wonder enters the battlefield, you get (three energy counters).

Pay : Multiform Wonder gains your choice of flying, vigilance, or lifelink until end of turn.

Pay : Multiform Wonder gets +2/-2 or -2/+2 until end of turn.

, : Target player exiles a card from their hand. Activate only as a sorcery.

: Choose a card exiled with Muse Vessel. You may play that card this turn.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Artifact creature spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)