Does casting a creature spell trigger Prowess?

No. Prowess only triggers on noncreature spells such as instants, sorceries, artifacts, enchantments, and planeswalkers.

Do multiple noncreature spells stack Prowess bonuses?

Yes. Each noncreature spell triggers Prowess separately, so casting two spells gives the creature +2/+2 until end of turn.

What is the best Prowess card?

By popularity, Prowess is among the most-played Prowess cards — see the full ranked list above.

Best Prowess cards in MTG

Prowess: Whenever you cast a noncreature spell, a creature with Prowess gets +1/+1 until end of turn.

Prowess rewards spell-heavy decks, turning small creatures into serious threats when you chain instants and sorceries. It synergizes with cantrips, cheap burn, and protective spells that you would cast anyway. Plan your turn so a single combat is backed by multiple noncreature spells to maximize the pump and push through extra damage.

FAQ

Does casting a creature spell trigger Prowess?: No. Prowess only triggers on noncreature spells such as instants, sorceries, artifacts, enchantments, and planeswalkers.
Do multiple noncreature spells stack Prowess bonuses?: Yes. Each noncreature spell triggers Prowess separately, so casting two spells gives the creature +2/+2 until end of turn.
What is the best Prowess card?: By popularity, Prowess is among the most-played Prowess cards — see the full ranked list above.