Knowledge Pool + Colfenor's Plans + Harmless Offering Combo

Harmless Offering in hand.

Knowledge Pool and Colfenor's Plans on the battlefield.

available

Cast Harmless Offering by paying , giving control of Colfenor's Plans to an opponent.

Whenever the opponent that controls Colfenor's Plans casts a spell from their hand, Knowledge Pool triggers, exiling that spell.

Because Colfenor's Plans prevents the opponent from casting more than one spell each turn, the opponent cannot cast the spell permitted by Knowledge Pool, or any other spell that turn.

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