Lernaean, Hydra Behemoth

Trample
Lernaean, Hydra Behemoth Enters The Battlefield With X +1/+1 Counters.
Whenever Lernaean, Hydra Behemoth Attacks, Put 3 +1/+1 Counters On Target Hydra You Control. If You Do, Choose 1:
• Target Player Draws A Card And Gains 1 Life
• Untap Lernaean, Hydra Behemoth