Spooky20

{1}{B}, Discard a card: Return Undead Gladiator from your graveyard to your hand. Activate only during your upkeep. Cycling {1}{B} ({1}{B}, Discard...

{B}: Regenerate Twisted Abomination. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your ha...

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Deathtouch Morph—Reveal a black card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its mo...

Defender {1}{U}: Returned Phalanx can attack this turn as though it didn't have defender.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless R...

Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn.

{1}{W}, Exile Dauntless Cathar from your graveyard: Create a 1/1 white Spirit creature token with flying. Activate only as a sorcery.

Untap target creature. It gets +2/+2 until end of turn and can block an additional creature this turn.

Vigilance Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}. Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}: Add {C}. {1}, {T}: Tap target land.

{T}: Add {C}. {1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Wo...

Enchant creature Enchanted creature gets +2/+2 and has "{1}, Sacrifice a permanent: This creature gains flying until end of turn."

When Self-Assembler enters the battlefield, you may search your library for an Assembly-Worker creature card, reveal it, put it into your hand, the...

When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifa...

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

When Loyal Sentry blocks a creature, destroy that creature and Loyal Sentry.

Protection from red Whenever a player casts a red spell, you may gain 1 life.

Morph {5}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{8}: Target creature gets +5/+5 and gains trample until end of turn.

{3}{G}: Knight of the Skyward Eye gets +3/+3 until end of turn. Activate only once each turn.