Sir Kermit, the Parched

When Sir Kermit, the Parched enters the battlefield, for each creature on your battlefield,
summon a Frog token.
{t}, Summon a Frog token
{g/u}{g/u}{g/u}, Sacrifice up to 5 Frog tokens, for each
Frog sacrificed this way, put a +1/+1 token on
Sir Kermit, the Parched.