Duplicating Hydra

Duplicating Hydra Enters the battlefield with X +1/+1 counters on it
When Duplicating Hydra enters the battlefield choose 2. At the beginning of your upkeep, choose 1—
•Create a 1/1 green hydra token for each +1/+1 counter on this creature
•Gain X health
•Deal 1 damage for every 2 +1/+1 counters on this creature