Knowledge Pool

Arcane Laboratory + Knowledge Pool

Exile all spells players cast from their hand, Players can only cast one spell per turn, Lock

Archon of Emeria + Knowledge Pool

Exile all spells players cast from their hand, Players can only cast one spell per turn, Lock

Boromir, Warden of the Tower + Knowledge Pool

Counter all spells players cast from their hands, Lock

Deafening Silence + Knowledge Pool

Exile all noncreature spells players cast from their hand, Players can only cast one noncreature spell per turn, Lock

Drannith Magistrate + Knowledge Pool

Opponents can't cast spells, Lock

Knowledge Pool + Colfenor's Plans + Donate

Exile all spells target opponent casts from their hand, Target opponent can only cast one spell per turn, Target opponent skips their draw step, Lock

Knowledge Pool + Colfenor's Plans + Fractured Identity

Exile all spells opponents cast from their hands, Opponents can only cast one spell per turn, Opponents skip their draw steps, Lock

Knowledge Pool + Colfenor's Plans + Harmless Offering

Exile all spells target opponent casts from their hand, Target opponent can only cast one spell per turn, Target opponent skips their draw step, Lock

Knowledge Pool + Curse of Exhaustion

Exile all spells target opponent casts from their hand, Target opponent can only cast one spell per turn, Lock

Knowledge Pool + Eidolon of Rhetoric

Exile all spells players cast from their hand, Players can only cast one spell per turn, Lock