Trample
Voracious Hydra enters with X +1/+1 counters on it.
When Voracious Hydra enters, choose one —
• Double the number of +1/+1 counters on Voracious Hydra.
• Voracious Hydra fights target creature you don’t control.
Because fighting isn't combat damage, trample has no effect during the fight.
12-07-2019
wotc
If the target of Voracious Hydra's second mode isn't a legal target as the ability resolves, or if Voracious Hydra has left the battlefield, neither creature will deal or be dealt damage. The ability won't change to the first mode if the target is illegal.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.