Gravelgill Duo

Creature - Merfolk Rogue Warrior 2/1, 2{U/B} (3)
Whenever you cast a blue spell, Gravelgill Duo gets +1/+1 until end of turn.

Whenever you cast a black spell, Gravelgill Duo gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)¹
Illus. Brandon Kitkouski

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/10)	Shadowmoor (Common)