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 the battlefield 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 Moon-Circuit Hacker deals combat damage to a player, you may draw a card. If you do, discard a card unless Moon-Circuit Hacker entered the battlefield this turn.

Sacrifice Moonglove Extract: It deals 2 damage to any target.

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.)

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.

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

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

Flying

Whenever you cast a spell, you may discard your hand. If you do, draw a card for each of that spell's colors.

When Moonveil Regent dies, it deals X damage to any target, where X is the number of colors among permanents you control.

Delirium — Moorland Drifter has flying as long as there are four or more card types among cards in your graveyard.

: Moorland Inquisitor gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

, : 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.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

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.

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

Sacrifice Morgue Toad: Add .

Morbid — When Morkrut Banshee enters the battlefield, if a creature died this turn, target creature gets -4/-4 until end of turn.

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

Whenever Morkrut Necropod attacks or blocks, sacrifice another creature or land.

Exile all graveyards.

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.

At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

Enchant creature

When enchanted creature is dealt damage, destroy it.

Target creature gets +1/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Flying

Primarch of the Death Guard — At the beginning of your end step, you may pay . If you do, create X 2/2 black Astartes Warrior creature tokens with menace. X can't be greater than the amount of life you lost this turn.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Mortician Beetle.

: All creatures able to block Mortipede this turn do so.

Whenever Mortis Dogs attacks, it gets +2/+0 until end of turn.

When Mortis Dogs dies, target player loses life equal to its power.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

When Mortus Strider dies, return it to its owner's hand.

If Mossbridge Troll would be destroyed, regenerate it.

Tap any number of untapped creatures you control other than Mossbridge Troll with total power 10 or greater: Mossbridge Troll gets +20/+20 until end of turn.

Kicker (You may pay an additional as you cast this spell.)

If Moss-Pit Skeleton was kicked, it enters the battlefield with three +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on a creature you control, if Moss-Pit Skeleton is in your graveyard, you may put Moss-Pit Skeleton on top of your library.

Trample

When Mosswood Dreadknight dies, you may cast it from your graveyard as an Adventure until the end of your next turn.

Flash

Enchant creature

Enchanted creature gets +2/+1.

When enchanted creature dies, create two Treasure tokens.

, Exile Mother Bear from your graveyard: Create two 2/2 green Bear creature tokens. Activate only as a sorcery.

Whenever a creature an opponent controls dies, sacrifice Mother of Goons unless you insult that creature.

This spell costs less to cast if you have no creature cards in hand not named Mothrider Cavalry.

Flying

Other creatures you control get +1/+1.

Flying

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Trample, haste

Whenever Motivated Pony attacks, attacking creatures get +1/+1 until end of turn. If a Food entered the battlefield under your control this turn, untap those creatures and they get an additional +2/+2 until end of turn.

At the beginning of combat on your turn, you may discard a card. When you do, Mount Velus Manticore deals X damage to any target, where X is the number of card types the discarded card has.

Haste

Red legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Mountain Valley enters the battlefield tapped.

, Sacrifice Mountain Valley: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Reach (This creature can block creatures with flying.)

: Mounted Archers can block an additional creature this turn.

Vigilance

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