Flying

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Whenever another creature you control dies, if you have the city's blessing, put a +1/+1 counter on Mausoleum Harpy.

Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink.

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

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."

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

You gain 8 life.

Play with the top card of your library revealed.

You may cast instant and sorcery spells from the top of your library.

Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Melira's Keepers can't have counters put on it.

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.

Flying

Whenever Memory Vampire deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost.

( can be paid with either or 2 life.)

Counter target spell with mana value 1.

Flying

Each creature you control is a Vampire in addition to its other creature types and has "Whenever this creature deals damage to a creature, put a +1/+1 counter on this creature."

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.

Mephit's Enthusiasm deals 4 damage to target creature or planeswalker. If excess damage was dealt this way, note that excess damage, then you get a boon with "When you cast your next creature spell, it perpetually gets +X/+0, where X is the noted number."

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

You may have Mercurial Pretender enter as a copy of a creature you control, except it has ": Return this creature to its owner's hand."

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

When Merfolk Pupil enters, draw a card, then discard a card.

, Exile Merfolk Pupil from your graveyard: Draw a card, then discard a card.

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

Whenever Merfolk Spy deals combat damage to a player, that player reveals a card at random from their hand.

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.)

Enchant creature

Enchanted creature has trample and haste.

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

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

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.

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

Whenever you attack with one or more creatures with counters on them, draw a card.

Flying

: Metropolis Sprite gets +1/-1 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.)

Creatures you control can't be blocked except by legendary creatures.

Whenever one or more creatures you control deal combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

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

Target creature gets +2/+2 and gains flying until end of turn.

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.

Whenever a nontoken creature you control attacks, you may pay . If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Draw two cards.

Target opponent mills seven cards.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.)

Target player draws three cards. If the gift was promised, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Look at target player's hand and choose X cards from it. That player discards those cards.

Defender (This creature can't attack.)

Flying

Whenever Mindbender Spores blocks a creature, put four fungus counters on that creature. The creature gains "This creature doesn't untap during your untap step if it has a fungus counter on it" and "At the beginning of your upkeep, remove a fungus counter from this creature."

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.)

Flash

At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus.

Instant and sorcery spells you cast cost less to cast for each oil counter on Mindsplice Apparatus.

Mindwarper enters with three +1/+1 counters on it.

, Remove a +1/+1 counter from Mindwarper: Target player discards a card. Activate only as a sorcery.

Flying

At the beginning of combat on your turn, each player mills three cards.

Reach

When Mineshaft Spider enters, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

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

When Minister of Pain exploits a creature, creatures your opponents control get -1/-1 until end of turn.

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

Enchant creature

Enchanted creature gets -3/-3.

Deathtouch

Whenever Mirkwood Spider attacks, target legendary creature you control gains deathtouch until end of turn.

Flash

When Mirran Banesplitter enters, attach it to target creature you control.

Equipped creature gets +2/+0.

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

Whenever a creature enters, 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.

Flying

: Mirror-Mad Phantasm's owner shuffles it into their library. If that player does, they reveal cards from the top of that library until a card named Mirror-Mad Phantasm is revealed. The player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

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.