Planeswalker doom

+1: Chandra Nalaar deals 1 damage to target player or planeswalker. −X: Chandra Nalaar deals X damage to target creature. −8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

+2: Sorin Markov deals 2 damage to any target and you gain 2 life. −3: Target opponent's life total becomes 10. −7: You control target player during that player's next turn.