Ripjaw Raptor

Enrage — Whenever Ripjaw Raptor is dealt damage, draw a card.

Raging Regisaur

Whenever Raging Regisaur attacks, it deals 1 damage to any target.

Wrathful Raptors

Trample
Whenever a Dinosaur you control is dealt damage, it deals that much damage to any target that isn't a Dinosaur.

Bellowing Aegisaur

Enrage — Whenever Bellowing Aegisaur is dealt damage, put a +1/+1 counter on each other creature you control.

Ranging Raptors

Enrage — Whenever Ranging Raptors is dealt damage, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.