Shaggy, Never Ending Hunger

Whenever Shaggy, Never Ending Hunger attacks
Mill the top three cards of target players library.
For each creature Milled this way create a Food
Token.
Sacrifice a Food token: You may return a target
card from your graveyard to your hand. Put a
+1/+1 counter on Shaggy, Never Ending Hunger.
Part of the Gang