Whenever Lurking Nightstalker attacks, it gets +2/+0 until end of turn.

When a creature is put into an opponent's graveyard from the battlefield, if Lurking Skirge is an enchantment, Lurking Skirge becomes a 3/2 Imp creature with flying.

Kicker—Sacrifice two lands. (You may sacrifice two lands in addition to any other costs as you cast this spell.)

Magma Burst deals 3 damage to any target. If this spell was kicked, it deals 3 damage to another target.

Play with the top card of your library revealed.

You may play the top card of your library.

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

Sacrifice a Swamp: Marsh Lurker gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

At the beginning of your end step, sacrifice Measure of Wickedness and you lose 8 life.

Whenever another card is put into your graveyard from anywhere, target opponent gains control of Measure of Wickedness.

, : Draw two cards.

, , Discard a card: Mercurial Chemister deals damage to target creature equal to the discarded card's converted mana cost.

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.

, : Regenerate target artifact.

Threshold — Metamorphic Wurm gets +4/+4 as long as seven or more cards are in your graveyard.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Choose target permanent an opponent controls. Search that player's library for a card with the same name and put it onto the battlefield under your control. Then that player shuffles their library.

Flying

Whenever Mindscour Dragon deals combat damage to an opponent, target player puts the top four cards of their library into their graveyard.

Flash

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

First strike, haste

: Minotaur Illusionist gains shroud until end of turn. (It can't be the target of spells or abilities.)

, Sacrifice Minotaur Illusionist: It deals damage equal to its power to target creature.

Reach (This creature can block creatures with flying.)

: Minotaur Sureshot gets +1/+0 until end of turn.

Whenever Mistford River Turtle attacks, another target attacking non-Human creature can't be blocked this turn.

Devoid (This card has no color.)

Whenever you cast a colorless spell, Molten Nursery deals 1 damage to any target.

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.

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.

Enchant creature

Enchanted creature gets -2/-0.

: Return Mourning to its owner's hand.

When Mournwhelk enters the battlefield, target player discards two cards.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Counter target instant or sorcery spell.

Transmute (, Discard this card: Search your library for a card with the same converted mana cost as this card, reveal it, and put it into your hand. Then shuffle your library. Transmute only as a sorcery.)

Creatures with no abilities get +2/+2.

Whenever Murasa Pyromancer or another Ally enters the battlefield under your control, you may have Murasa Pyromancer deal damage to target creature equal to the number of Allies you control.

Destroy target creature.

Flying

Whenever another creature dies, you may draw a card. If you do, discard a card.

, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Destroy target creature.

Lifelink

When Murderous Rider dies, put it on the bottom of its owner's library.

Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat.

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

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

Untap all green and/or blue creatures you control during each other player's untap step.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Reveal the top three cards of your library. An opponent chooses one of them. Put that card into your graveyard and the rest into your hand.

: Create a 1/1 colorless Myr artifact creature token.

, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle your library.

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles it.

When Natural Emergence enters the battlefield, return a red or green enchantment you control to its owner's hand.

Lands you control are 2/2 creatures with first strike. They're still lands.

Put target artifact on the bottom of its owner's library.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle their library.

Destroy target artifact or enchantment with converted mana cost 3 or less.

, Discard a card: Put a +1/+1 counter on target creature or that creature gains banding, first strike, or trample. (This effect lasts indefinitely. 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 a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Enchant creature you control

: Untap enchanted creature. Activate this ability only during your turn and only once each turn.

Tap enchanted creature: Untap target artifact, creature, or land. Activate this ability only if enchanted creature is white and is untapped and only once each turn.

Green creatures you control gain forestwalk until end of turn. (They can't be blocked as long as defending player controls a Forest.)

Search your library for a Forest card and put that card onto the battlefield. Then shuffle your library.

Each player draws a card for each creature card in their graveyard.

Destroy all green creatures.