Chopper, Crew's Healer

Other pirates you control have lifelink.
Whenever another pirate enters the battlefield
under your control, gain 2 life.
{r},{t}: Put a raging counter on Chopper, Crew's
Healer.
{1}{r}{r},{t}: Transform Chopper, Crew's Healer. Activate only if it has a raging counter on it, and
only as a sorcery.