Huatli's Snubhorn

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

Knight of the Stampede

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

Ancient Brontodon

Plains

Kinjalli's Caller

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

Krosan Drover

Creature spells you cast with mana value 6 or greater cost {2} less to cast.

Annoyed Altisaur

Reach, trample
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Territorial Hammerskull

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