Atraxa, Praetors' Voice is a mythic Legendary Creature — Phyrexian Angel Horror card from Commander 2016 (C16), collector number 28. Current market price: — (foil $35.47), TCGplayer market prices via Scryfall.
Flying, vigilance, deathtouch, lifelink At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)