Canker Abomination

As this creature enters, choose an opponent. This creature enters with a -1/-1 counter on it for each creature that player controls.

Remove Enchantments

Return to your hand all enchantments you both own and control, all Auras you own attached to permanents you control, and all Auras you own attached to attacking creatures your opponents control. Then destroy all other enchantments you control, all other Auras attached to permanents you control, and all other Auras attached to attacking creatures your opponents control.

Fortress Crab

Tormod's Crypt

{T}, Sacrifice this artifact: Exile target player's graveyard.

Glint Hawk

Flying
When this creature enters, sacrifice it unless you return an artifact you control to its owner's hand.

Dream Stalker

When this creature enters, return a permanent you control to its owner's hand.

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Kor Skyfisher

Flying
When this creature enters, return a permanent you control to its owner's hand.

Bayou Groff

As an additional cost to cast this spell, sacrifice a creature or pay {3}.

Crystacean

Flash (You may cast this spell any time you could cast an instant.)

Shrieking Drake

Flying
When this creature enters, return a creature you control to its owner's hand.