Safehold Duo 
Creature — Elf Warrior Shaman
Whenever you cast a green spell, this creature gets +1/+1 until end of turn. Whenever you cast a white spell, this creature gains vigilance until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL