Shrek, of the Swamp

{b/g}{b/g}{b/g},{t}: Put a +1/+1 counter on Shrek. It gains "{b/g}{b/g},{t}: Put a +1/+1 counter ons Shrek. It gains "{b/g},{t}: Put a +1/+1 counter on Shrek. It gains "{b/g}: Put a +1/+1 counters on Shrek."""
Whenever a +1/+1 counter is placed on Shrek, you gain 1 life.
"This is my swamp, now."