Prowess

Prowess
Keyword Ability
Type	Triggered
Introduced	Khans of Tarkir
Last used	Khans of Tarkir
Reminder Text	Prowess (Whenever you cast a non-creature spell, this creature gets +1/+1 until end of turn.)
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keyword:"Prowess"

Prowess was introduced as the clan-specific mechanic for the Jeskai Way in Khans of Tarkir. Creatures with Prowess trigger and get +1/+1 until end of turn when a non-creature spell is cast.

From the ()

Rulings

TBA