Whenever you cast a blue spell, exile the top card of target player's library.Whenever you cast a black spell, exile the top card of target player's library.Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.
FlyingBattalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life.
Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)
Mizzium Mortars deals 4 damage to target creature you don't control.Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Choose one —• Target creature gets +2/+2 and gains trample until end of turn.• Exile target creature with power 5 or greater.• Create a 2/2 white Knight creature token with vigilance.
, Sacrifice Grave-Shell Scarab: Draw a card.Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)
Radiance — Brightflame deals X damage to target creature and each other creature that shares a color with it. You gain life equal to the damage dealt this way.
Return target creature card from your graveyard to the battlefield. If was spent to cast this spell, that creature enters with an additional +1/+1 counter on it.
Choose one —• Counter target noncreature spell unless its controller pays .• Izzet Charm deals 2 damage to target creature.• Draw two cards, then discard two cards.