Sandscale Hydra

Sandscale Hydra enters the battlefield with X +1/+1 counters on it. (X cannot be 0)
Near Death - When Sandscale Hydra's toughness becomes 2 or less, put X +1/+1 counters on it where X is the number of deserts you control.
Whenever Sandscale Hydra is dealt damage, prevent that damage and remove that many
+1/+1 counters from it.