Mistral Singer 
Creature — Siren
Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Siren
Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)