Icy Blast

Instant    (CMC:1)

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.

20—21 September 2014

042 Prerelease KTK ★ ENEric Deschamps

™ & © 1993—2014 Wizards of the Coast

Legal in: Modern,Khans of Tarkir Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

Icy Blast {X}{U} 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.

9/20/2014
You check if you control a creature with power 4 or greater as Icy Blast resolves. It doesn’t matter if you control such a creature during any of the relevant untap steps.
9/20/2014
Icy Blast can target a creature that’s already tapped. It still won’t untap during its controller’s next untap step.
9/20/2014
Icy Blast tracks the creature, but not its controller. If the creature changes controllers before its first controller’s next untap step has come around, then it won’t untap during its new controller’s next untap step.
9/20/2014
Some ferocious abilities that appear on instants and sorceries use the word “instead.” These spells have an upgraded effect if you control a creature with power 4 or greater as they resolve. For these, you only get the upgraded effect, not both effects.
9/20/2014
Ferocious abilities of instants and sorceries that don’t use the word “instead” will provide an additional effect if you control a creature with power 4 or greater as they resolve.

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