Hands of Binding

Manos vinculantes (Hands of Binding) (es)

Sorcery (CMC 2)
Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)