Gravelgill Duo

Whenever you cast a blue spell, this creature gets +1/+1 until end of turn.
Whenever you cast a black spell, this creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

EDHREC rank #30011

USD reference: $0.09 (~₱5.63) · Foil: $0.35 (~₱21.90)