Sothera, the Supervoid [Edge of Eternities]

Set: Edge of Eternities Type: Legendary Enchantment Rarity: Mythic Cost: {2}{B}{B} Whenever a creature you control dies, each opponent chooses a creature they control and exiles it.At the beginning of your end step, if a player controls no creatures, sacrifice Sothera, then put a creature card exiled with it onto the battlefield under your control with two additional +1/+1 counters on it.