Spooky20

When you cast a creature spell, sacrifice Skittering Horror.

Prevent all combat damage that would be dealt by target creature this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Reveal any number of black cards in your hand. Target creature gets -X/-X until end of turn, where X is the number of cards revealed this way.

When Ravenous Rats enters the battlefield, target opponent discards a card.

Exile up to three target cards from a single graveyard. Cycling {2} ({2}, Discard this card: Draw a card.)

When Plague Dogs dies, all creatures get -1/-1 until end of turn. {2}, Sacrifice Plague Dogs: Draw a card.

Trample Whenever Phyrexian Negator is dealt damage, sacrifice that many permanents.

{B}: Regenerate Phyrexian Monitor.

{2}{B}, {T}: Reveal any number of black cards in your hand. Target creature gets -X/-X until end of turn, where X is the number of cards revealed t...

When an opponent has 10 or less life, if Lurking Jackals is an enchantment, it becomes a 3/2 Jackal creature.

Enchant creature At the beginning of your upkeep, you may put an infection counter on Festering Wound. At the beginning of the upkeep of enchante...

Exile target nonblack creature. Search its controller's graveyard, hand, and library for all cards with the same name as that creature and exile th...

When False Prophet dies, exile all creatures.

Target player reveals their hand. You choose a nonbasic land card from it. That player discards that card.

Reveal any number of white cards in your hand. You gain 2 life for each card revealed this way.

Whenever an opponent taps a Mountain for mana, you may gain 1 life.

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

{T}: Add {C}. {G}, {T}: Regenerate target creature.

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

As long as Thran Golem is enchanted, it gets +2/+2 and has flying, first strike, and trample.

{1}, {T}, Exile Thran Foundry: Target player shuffles their graveyard into their library.

Yavimaya Enchantress gets +1/+1 for each enchantment on the battlefield.

{T}: Add {C}{C}{C}.

As long as Storage Matrix is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanen...