Spooky20

{R}: This creature gets +1/+0 until end of turn.

Flying {2}: This creature loses flying until end of turn. Any player may activate this ability.

Reach (This creature can block creatures with flying.)

Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle.

Unless target player pays {3}, that player loses 5 life and you gain 5 life.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Creatures you control get +0/+1 until end of turn. They get an additional +0/+2 until end of turn unless any player pays {2}.

Draw three cards. Then if any player pays {2}, discard three cards.

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays {2}. If they do, Rhystic Lightning deals 2 da...

{U}: Tap target creature unless its controller pays {1}.

{1}: Any player may pay {1}. If no one does, the next time a source of your choice would deal damage to you this turn, prevent that damage.

{T}: Choose a color. Add one mana of that color unless any player pays {1}. Activate only as an instant.

Whenever one or more creatures attack you, if this creature is untapped, you may untap all creatures you control.

Counter target spell unless its controller pays {X}, where X is its mana value.

This creature can't be the target of white spells or abilities from white sources. {3}: Put target nontoken Rebel on the bottom of its owner's libr...

Defender (This creature can't attack.) {4}: Return this creature to its owner's hand. Any player may activate this ability.

Trample

Target player reveals their hand. You choose an instant or sorcery card from it and exile that card. You may cast that card for as long as it remai...

Destroy all creatures you don't control. They can't be regenerated.

Whenever this creature deals combat damage to a creature, destroy that creature unless its controller pays {2}.

Flying, first strike At the beginning of your upkeep, sacrifice this creature unless you pay {2}{B}{B}.

Up to three target creatures can't block this turn.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn.