Reckless Hydra

Reckless Hydra enters the battlefield with X
+1/+1 counters on it
Landfall—Whenever a swamp enters the battlefield under your control, you may discard a
card from your hand. If you do, put a +1/+1
counter on Reckless Hydra
{3}{b}: Target player discards 3 cards. If they have
no more cards in their hand, skip their combat
phase on their turn