Sort by:
'Counter target spell unless its controller pays {1}.
Cycling {2} ({2}, Discard this card: Draw a card.)
'Counter target spell, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
'Counter target spell unless its controller pays {1}.
Cycling {2} ({2}, Discard this card: Draw a card.)
'When this creature enters, put a -1/-1 counter on each creature.
'Whenever a player casts a spell, this enchantment deals 2 damage to that player.
'Counter target spell unless its controller pays {1} for each blue permanent you control.
'Counter target spell unless its controller pays {1} for each blue permanent you control.
'Play with the top card of your library revealed. You may cast Goblin spells from the top of your library. As long as the top card of your library is...
'If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.
'When this creature enters, put a -1/-1 counter on each creature.
If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.
'When this creature enters, return target Equipment card from your graveyard to the battlefield attached to this creature.
Whenever you sacrifice an artifact, put a +1/+1 counter on this creature.