Storm Elemental

{5}{U} · Creature — Elemental

Flying {U}, Exile the top card of your library: Tap target creature with flying. {U}, Exile the top card of your library: If the exiled card is a snow land, this creature gets +1/+1 until end of turn.

Motor: se resuelve a mano

Rulings (2)

Even though the two activated abilities have the same cost, they’re separate. You choose which one you’re activating before you exile the top card of your library (and see what it is).
Wizards of the Coast · 2008-10-01
If you activate Storm Elemental’s third ability and the exiled card is not a snow land, the ability has no effect.
Wizards of the Coast · 2008-10-01