Yasharn, Implacable Earth

Other things may still cause players to pay life or sacrifice creatures, such as a resolving spell or ability.

(2020-09-25)

If a spell or activated ability has a cost that requires a player to pay life (such as the activated ability granted by Lithoform Blight) or sacrifice a permanent (such as Kazuul’s Fury or Spare Supplies), that spell or ability can’t be cast or activated.

(2020-09-25)

Yasharn’s first ability can find just one basic Forest or one basic Plains card if you don’t have both in your library or if you don’t wish to find both.

(2020-09-25)