Secret Lair Drop

Colossal Dreadmaw

Colossal Chorus

Creature — Dinosaur

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Legendary Creature — Elder Dinosaur

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Etali, Primal Storm

Menace
Players can't gain life.
Whenever another creature enters, this creature deals 1 damage to that creature's controller.

Rampaging Ferocidon

Copy

Polyraptor

Enrage — Whenever this creature is dealt damage, create a token that's a copy of this creature.

Wayward Swordtooth

City's Blessing

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
You may play an additional land on each of your turns.
This creature can't attack or block unless you have the city's blessing.

Regisaur Alpha

Dinosaur

Other Dinosaurs you control have haste.
When this creature enters, create a 3/3 green Dinosaur creature token with trample.