Spooky20

When this creature enters, you get {E}{E} (two energy counters). Whenever an artifact creature you control attacks, you may pay {E}. If you do, put...

As Battle of Hoover Dam enters the battlefield, choose NCR or Legion. • NCR — At the beginning of your end step, return target creature card with m...

Mutate {1}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature...

Whenever one or more artifact creatures you control deal combat damage to a player, you get {E} (an energy counter). Pay {E}{E}{E}: Create a tapped...

Vigilance Creatures you control with vigilance have "{1}, {T}: Tap target creature."

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this cr...

Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that car...

Return any number of permanent cards with different names from your graveyard to the battlefield.

Your opponents can't cast spells from anywhere other than their hands.

Mutate {4}{B}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature...

Mutate {2}{W}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature...

At the beginning of combat on your turn, choose a kind of counter at random that this creature doesn't have on it from among flying, first strike, ...

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature gets +20/+20.

This land enters tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

This land enters tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

Return all permanents of the color of your choice to their owners' hands.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random ord...

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, counter target activated ability. (Mana abilities ca...

{T}: Add {C}. {X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.

Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that t...

{T}: Add {C}. {X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.