Rule evolution
Rule 702.108a
Previously numbered 702.107a.
Earliest archived Rules release: 2014-09-25 · 0 wording revisions · 1 renumbering
Added702.107aDetails
Prowess is a triggered ability. “Prowess” means “Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.”
Renumbered
702.107a→ 702.108aDetailsPreviously
7. Additional Rules
702. Keyword AbilitiesThen
7. Additional Rules
702. Keyword AbilitiesProwess is a triggered ability. “Prowess” means “Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.”