Gravelgill Duo is a Magic: The Gathering card. Compare listings from Singapore Magic: The Gathering sellers on CardJio, then jio them on WhatsApp.
Mana cost
{2}{U/B}
Mana value
3
Type
Creature — Merfolk Rogue Warrior
Color
Black/Blue
Color identity
Black/Blue
Power/Toughness
2/1
Card Text
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.)