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.)
Counter target spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles.
Enchant creatureAs long as enchanted creature is red, it gets +1/+1 and has double strike. (It deals both first-strike and regular combat damage.)As long as enchanted creature is green, it gets +1/+1 and has trample.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)Crowd of Cinders's power and toughness are each equal to the number of black permanents you control.
Create a 4/4 red and green Giant Warrior creature token with haste. Exile it at the beginning of the next end step.Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it.)
If was spent to cast this spell, return up to one target creature to its owner's hand. If was spent to cast this spell, target player reveals their hand, you choose a nonland card from it, then that player discards that card. (Do both if was spent.)
If was spent to cast this spell, return up to one target creature to its owner's hand. If was spent to cast this spell, target player reveals their hand, you choose a nonland card from it, then that player discards that card. (Do both if was spent.)
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)