Icy Blast | Instant | | Tap X target creatures.
Ferocious — If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps. | Eric Deschamps
Stubborn Denial | Instant | | Counter target noncreature spell unless its controller pays {1}.
Ferocious — If you control a creature with power 4 or greater, counter that spell instead. | James Ryman