Ursula, the Faceless One

+2: Create a 2/2 Black, faceless creature token with deathtouch and haste, this creature changes ownership every turn
-3: Target opponent discards two cards of your choice from their hand and sacrifice a creature, you lose 4 life, this damage cannot be prevented
-10: No new spells can be cast, except creature abilities and planeswalkers abilities, each player discards their hands and draws seven cards