Jef, Lord of Dinosaurs

Trample, haste
Enrage - Whenever Jef is dealt damage, search
your library for a dinosaur card, reveal it,
then put it into your hand.
Dinosaur spells cost {2} less to cast.
Whenever a dinosaur creature enters the battlefield under your control, put a +1/+1
counter on Jef and another dinosaur creature you control.