Norn's Choirmaster

Maestro del Coro di Norn (Norn's Choirmaster) (it)

Creature - Phyrexian Angel | Power/Toughness: 5 / 4 (CMC 5)
Flying, first strike
Whenever a commander you control enters the battlefield or attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)