Regice

Slow Start 1
Freezing Touch - Whenever Regice deals damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.
{2}{u},{t}: Regice deals 1 damage to each creature your opponents control. Regice loses this ability.
{1}{c}{c},{e}{e}{e},{ut}: Destroy all tapped creatures your opponents control.