Busai, Rotmaxxer

Haste, trample
Busai, Rotmaxxer enters the battlefield with three +1/+1 counters.
Embrace the Rot - When Busai, Rotmaxxer enters the battlefield, proliferate twice.
At the beginning of your end step, Busai, Rotmaxxer loses two +1/+1 counters, unless
you pay {w}{g}.