Steelforge Hydra

Trample, hydragift 1 (When this creature dies, create one 2/2 colorless Hydra creature token.)
Steelforge Hydra costs {2} less to cast for each Hydra you control. You may choose to have the cost reduced by {3} instead if you sacrifice a Hydra you control.
{4}{t}: Create a 3/3 colorless Hydra creature token with hydragift 1.