Yeva, Nature's Herald 
Legendary Creature — Elf Shaman
Flash (You may cast this spell any time you could cast an instant.) You may cast green creature spells as though they had flash.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL