Target creature gets -3/-0 until end of turn.Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Target player reveals their hand. You choose a card from it. That player discards that card.Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Target creature gets +2/+2 until end of turn.
, , Put a blood counter on Bloodletter Quill: Draw a card, then you lose 1 life for each blood counter on Bloodletter Quill.: Remove a blood counter from Bloodletter Quill.
Other green creatures you control get +1/+1.Other white creatures you control get +1/+1.: Create Voja, a legendary 2/2 green and white Wolf creature token.
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.
Counter target spell unless its controller discards their hand.Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)