Norn's Choirmaster Combos
Emiel the Blessed + Norn's Choirmaster + Crystalline Crawler
Norn's Choirmaster + Crystalline Crawler + Cryptic Trilobite
Tevesh Szat, Doom of Fools + Sidar Kondo of Jamuraa + Norn's Choirmaster
Combo result
Infinite proliferate. Gain control of all commanders. Put all commanders from the command zone onto the battlefield.
Prerequisites
Tevesh Szat in command zone or hand. Sidar Kondo of Jamuraa in any zone. All other permanents on the battlefield. Tevesh Szat and Sidar Kondo of Jamuraa are your commanders. {B} available, plus commander tax (if applicable).