Spooky20

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without...

Destroy target creature. It can't be regenerated.

Counter target creature spell.

Counter target noncreature spell.

Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn.

({2/R} can be paid with any two mana or with {R}. This card's mana value is 6.) Flame Javelin deals 4 damage to any target.

Choose two — • Counter target spell. • Return target permanent to its owner's hand. • Tap all creatures your opponents control. • Draw a card.

Counter target spell unless its controller pays {1}.

Psionic Blast deals 4 damage to any target and 2 damage to you.

Destroy target artifact or enchantment.

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Destroy target artifact or creature. It can't be regenerated.

Lightning Helix deals 3 damage to any target and you gain 3 life.

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner's library instead of into...

Target creature gets +3/+3 until end of turn.

Exile target creature that dealt damage to you this turn.

Destroy target artifact. It can't be regenerated.

Counter target spell unless its controller pays {3}.

Cast this spell only during the declare attackers step and only if you've been attacked this step. Creatures you control get +2/+2 until end of turn.

Cast this spell only during the declare attackers step and only if you've been attacked this step. Return target attacking creature to its owner's ...

Cast this spell only during the declare attackers step and only if you've been attacked this step. Untap all creatures you control.

Counter target creature or sorcery spell.

Cast this spell only during the declare attackers step and only if you've been attacked this step. Destroy target attacking creature.

Counter target creature spell.