Harbinger of the Lobsters

When Harbinger of the Lobsters enters the battlefield, search your library for a Lobster card, reveal it, and put it into your hand. Then shuffle your library.
Whenever another Lobster enters the battlefield under your control, put a +1/+1 counter on it.
"Lubsta lub lub la lubdub ba lubsta"
-Lubabubba, Dub Lubbub