Swarm, Miniature Army

Swarm, Miniature Army enters the battlefield
with X +1/+1 counters on it.
{t}: Remove a +1/+1 counter from this card, it
gains indestructible until the end of the turn.
Alone against a pack of creatures, the gentle child
summoned a swarm that evened the odds. With them,
she would never be outnumbered, and the gentle child
named them Swarm.