Cryptic Trilobite

Cryptic Trilobite

Creature - Trilobite (CMC 0)
Cryptic Trilobite enters the battlefield with X +1/+1 counters on it.
Remove a +1/+1 counter from Cryptic Trilobite: Add . Spend this mana only to activate abilities.
, : Put a +1/+1 counter on Cryptic Trilobite.