White Snake, Conduit of Rage

First stike, haste
Rak Tulkhesh's Rage - When White Snake,
Conduit of Rage, enters the battlefield or
destroys a creature in combat, put 1 rage counter
on it. If White Snake has 5 or more rage counters
on it, exile it: Create Rak Thulkesh, a 10/10 Legendary Warrior God creature token with indestructible, menace, and "Creatures your
opponents control are goaded for the rest of the
game."