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Knowledge Pool + Colfenor's Plans + Harmless Offering

B manaR mana
Knowledge Pool
Knowledge Pool
Colfenor's Plans
Colfenor's Plans
Harmless Offering
Harmless Offering
Exile all spells target opponent casts from their handTarget opponent can only cast one spell per turnTarget opponent skips their draw stepLock

How it works

  1. Cast Harmless Offering by paying 2R mana, giving control of Colfenor's Plans to an opponent.
  2. Whenever the opponent that controls Colfenor's Plans casts a spell from their hand, Knowledge Pool triggers, exiling that spell.
  3. 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.
Legal in:CommanderLegacyModernOathbreakerVintage
32 decks$1.59