Mors, Death's Echo

Haste, double strike, deathtouch
Stormcaller - During your upkeep, you may pay {x}{b} to deal X damage to any target.
Mors, Death's Echo can't be blocked by more
than one creature, and must be blocked if able.
Whenever it destroys a creature or deals combat damage, opponent gains two poison counters and
you create a treasure token.
"Born into exile, in the shadows he lurks."