Kuvalda, Maxim's Fist

Trample
Kuvalda, Maxim's Fist enters the battlefield
with X +1/+1 counters on it.
Whenever another creature you control attacks,
you may pay {3}{g}. If you do, double Kuvalda's
power and toughness until end of turn.
"Soon all shall fear the might of the Chosen Many!
For now, all should flee!" - Maxim