Destroy each artifact with mana value X or less.

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

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

Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Whenever an opponent casts a spell, that player mills two cards.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Target player mills four cards.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Trample, haste

When Menacing Ogre enters, each player secretly chooses a number. Then those numbers are revealed. Each player with the highest number loses that much life. If you are one of those players, put two +1/+1 counters on Menacing Ogre.

Regenerate target creature.

, Discard a card: Draw a card.

Mill two cards.

Draw a card.

Whenever another creature you control with power 2 or less enters, you may pay . If you do, draw a card.

Mephitic Ooze gets +1/+0 for each artifact you control.

Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creature can't be regenerated.

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.

Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.

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.

When Merchant of Secrets enters, draw a card.

Merchant Ship can't attack unless defending player controls an Island.

Whenever Merchant Ship attacks and isn't blocked, you gain 2 life.

When you control no Islands, sacrifice Merchant Ship.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Merciless Predator.

Flying

Whenever Mercurial Kite deals combat damage to a creature, tap that creature. That creature doesn't untap during its controller's next untap step.

: Destroy target creature with islandwalk.

, : Target player mills two cards.

Flash (You may cast this spell any time you could cast an instant.)

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

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

When Merfolk Seer dies, you may pay . If you do, draw a card.

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

: Target Merfolk creature can't be blocked this turn.

: Switch target creature's power and toughness until end of turn.

Flying

When Merfolk Wayfinder enters, reveal the top three cards of your library. Put all Island cards revealed this way into your hand and the rest on the bottom of your library in any order.

: Target player exiles a card from their graveyard.

Whenever you cast a black spell, you may untap Merrow Bonegnawer.

, : Target creature gets -2/-0 until end of turn. ( is the untap symbol.)

: Target creature gains flying until end of turn.

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

, : Merrow Wavebreakers gains flying until end of turn. ( is the untap symbol.)

Enchant creature

Merseine enters with three net counters on it.

Enchanted creature doesn't untap during its controller's untap step if Merseine has a net counter on it.

Pay enchanted creature's mana cost: Remove a net counter from Merseine. Only the controller of the enchanted creature may activate this ability.

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

Flying; 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.)

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

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

, Discard a card: Draw a card.

Flying

When Messenger Falcons enters, draw a card.

Tap all artifacts.

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

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

: 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.

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

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.

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

Choose one —

• Midnight Charm deals 1 damage to target creature and you gain 1 life.

• Target creature gains first strike until end of turn.

• Tap target creature.

Protection from Vampires