War of the Spark

Liliana, Dreadhorde General | Legendary Planeswalker | Liliana | Whenever a creature you control dies, draw a card. +1: Create a 2/2 black Zombie creature token. −4: Each player sacrifices two creatures. −9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest. | Chris Rallis

Arlinn, Voice of the Pack | Legendary Planeswalker | Arlinn | Each creature you control that's a Wolf or a Werewolf enters the battlefield with an additional +1/+1 counter on it. −2: Create a 2/2 green Wolf creature token. | Ryan Pancoast

Kaya, Bane of the Dead | Legendary Planeswalker | Kaya | Your opponents and permanents your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof. −3: Exile target creature. | Magali Villeneuve

Ugin, the Ineffable | Legendary Planeswalker | Ugin | Colorless spells you cast cost {2} less to cast. +1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. −3: Destroy target permanent that's one or more colors. | Daarken