Lynda, Scarlet Venegance

+3: Lynda, Scarlet Venegance deals X damage to target creature where X is your devotion to red.
-1: Each player discards their hand, then draws seven cards. Lynda deals damage to each opponent equal to the number of cards discarded this way.
-12: Lynda, Scarlet Venegance deals X damage to each opponent, planeswalker and creature, where X is the amount of damage dealt this turn.