Tyrranax Atrocity

Haste
Toxic 3 (Players dealt combat damage by this creature also get three poison counters.)

Sunlance

Sunlance deals 3 damage to target nonwhite creature.

Wind-Scarred Crag

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {W}.

Rally the Peasants

Creatures you control get +2/+0 until end of turn.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cloudpiercer

Mutate {3}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Reach
Whenever this creature mutates, you may discard a card. If you do, draw a card.

Stampeding Horncrest

Stampeding Horncrest has haste as long as you control another Dinosaur.

Nest Robber

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Thrash of Raptors

As long as you control another Dinosaur, Thrash of Raptors gets +2/+0 and has trample.

Huatli's Snubhorn

Vigilance (Attacking doesn't cause this creature to tap.)

Commune with Dinosaurs

Look at the top five cards of your library. You may reveal a Dinosaur or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Knight of the Stampede

Dinosaur spells you cast cost {2} less to cast.

Kinjalli's Caller

Dinosaur spells you cast cost {1} less to cast.

Territorial Hammerskull

Whenever Territorial Hammerskull attacks, tap target creature an opponent controls.