Whenever you cast a creature spell with power 5 or greater, discover X, where X is that spell's mana value. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

, : 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.

Monumental Henge enters tapped unless you control a Plains.

: Add .

, : Look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)

Flying

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Moonblade Shinobi deals combat damage to a player, create a 1/1 blue Illusion creature token with flying.

Flying

, Return a land you control to its owner's hand: Target land becomes the basic land type of your choice until end of turn.

As long as you control a Yanling planeswalker, Moon-Eating Dog has flying. (It can't be blocked except by creatures with flying or reach.)

Changeling (This card is every creature type.)

: Moonglove Changeling gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Target spell or permanent becomes colorless.

Flying

: Prevent all combat damage that would be dealt to and dealt by Moonlight Geist this turn.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Sacrifice Moonlit Strider: Target creature you control gains protection from the color of your choice until end of turn.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Transform all Humans. Prevent all combat damage that would be dealt this turn by creatures other than Werewolves and Wolves. (Only double-faced cards can be transformed.)

This spell costs less to cast if it's night.

Moonrager's Slash deals 3 damage to any target.

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.

Menace (This creature can't be blocked except by two or more creatures.)

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

Flying

When Moonshae Pixie enters, draw cards equal to the number of opponents who were dealt combat damage this turn.

, , Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

, Tap an untapped artifact or creature you control: Add .

Channel — , Discard Moonsnare Prototype: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

Flying

Whenever a creature an opponent controls dies, you create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice an artifact, put a +1/+1 counter on Moonstone Eulogist and you gain 1 life.

Flying

: Each creature you control gets +1/+0 until end of turn.

Flying

: Moonwing Moth gets +0/+1 until end of turn.

Trample

: Add .

, , Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

When Moorland Rescuer dies, return any number of other creature cards with total power X or less from your graveyard to the battlefield, where X is Moorland Rescuer's power. Exile Moorland Rescuer.

Attacking creatures get +1/+1 until end of turn.

, : Exile target card from a graveyard.

, , Sacrifice Moratorium Stone: Exile target nonland card from a graveyard, all other cards from graveyards with the same name as that card, and all permanents with that name.

Exile target creature card from a graveyard, then create X 1/1 green Saproling creature tokens, where X is the exiled card's toughness.

Morbid Hunger deals 3 damage to any target. You gain 3 life.

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

Return up to two target creature cards from your graveyard to your hand.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

−2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

−10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

You draw a card and you lose 1 life.

Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Defender

Whenever you attack with one or more Goblins and/or Orcs, create a 2/1 colorless Construct artifact creature token with flying named Ballistic Boulder that's tapped and attacking. Sacrifice that token at end of combat.

Return target creature card from your graveyard to your hand. Morgue Burst deals damage to any target equal to the power of the card returned this way.

Sacrifice Morgue Thrull: Mill three cards.

Enchant creature

Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life."

Deathtouch, haste

, Discard a card: Draw a card. If the discarded card was a creature card, amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Whenever an artifact is put into a graveyard from the battlefield, you may put a +1/+1 counter on Moriok Rigger.

Changeling (This card is every creature type.)

You may have Moritte of the Frost enter as a copy of a permanent you control, except it's legendary and snow in addition to its other types and, if it's a creature, it enters with two additional +1/+1 counters on it and has changeling.

As an additional cost to cast this spell, sacrifice a creature or pay .

Menace (This creature can't be blocked except by two or more creatures.)

Flying, vigilance

If Morning Apparition would be put into a graveyard from anywhere, exile it instead.

Flying

At the beginning of your upkeep, you lose 1 life.

Morphic Pool enters tapped unless you have two or more opponents.

: Add or .

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)

Target player loses 3 life and you gain 3 life. If this spell's prowl cost was paid, draw a card.

You have no maximum hand size.

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you draw your second card each turn, put two +1/+1 counters on Morska, Undersea Sleuth.

Enchant creature you control

Enchanted creature gets +1/+1.

Whenever enchanted creature deals combat damage to a player, you may sacrifice Mortal Obstinacy. If you do, destroy target enchantment.

This spell costs less to cast if you gained life this turn.

Destroy target nonland permanent.

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)