Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may pay . If you do, target creature gains double strike until end of turn.
Prowess goes on the stack on top of the spell that caused it to trigger. It will resolve before that spell.
24-11-2014
wotc
Once it triggers, prowess isn’t connected to the spell that caused it to trigger. If that spell is countered, prowess will still resolve.
24-11-2014
wotc
Prowess triggers only once for any spell, even if that spell has multiple types.
24-11-2014
wotc
Any spell you cast that doesn’t have the type creature will cause prowess to trigger. If a spell has multiple types, and one of those types is creature (such as an artifact creature), casting it won’t cause prowess to trigger. Playing a land also won’t cause prowess to trigger.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.