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Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Abilities, attacks, weakness & resistance
Other cards from Core Set 2021
Llanowar Visionary
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Mistral Singer (M21 58) is a blue Creature — Siren from Core Set 2021 with flying. It has prowess, gaining +1/+1 until end of turn whenever you cast a noncreature spell, enabling synergy with instant and sorcery-heavy builds. Debuted in Core Set 2021 as a common Siren creature.
Catalog pricing data as of 20 May 2026, 19:20
