{T}: Add one mana of any color in your commander's color identity.

Trample

Whenever another Dinosaur enters the battlefield under your control, you may have Belligerent Yearling's base power become equal to that creature's power until end of turn.

Vigilance, reach

Whenever a Dinosaur you control deals combat damage to a player, draw a card.

Defender (This creature can't attack.)

As long as you control a creature with power 4 or greater, Drowsing Tyrannodon can attack as though it didn't have defender.

Trample

When Earthshaker Dreadmaw enters the battlefield, draw a card for each other Dinosaur you control.

Vigilance, trample, haste

Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

Haste

When Itzquinth, Firstborn of Gishath enters the battlefield, you may pay {2}. When you do, target Dinosaur you control deals damage equal to its power to another target creature.

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

Whenever another creature enters the battlefield under your control, Marauding Raptor deals 2 damage to it. If a Dinosaur is dealt damage this way, Marauding Raptor gets +2/+0 until end of turn.

Other Dinosaurs you control have haste.

When Palani's Hatcher enters the battlefield, create two 0/1 green Dinosaur Egg creature tokens.

At the beginning of combat on your turn, if you control one or more Eggs, sacrifice an Egg, then create a 3/3 green Dinosaur creature token.

Whenever Pantlaza, Sun-Favored or another Dinosaur enters the battlefield under your control, you may discover X, where X is that creature's toughness. Do this only once each turn. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Mutate {1}{R/W}{R/W} (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.)

Whenever this creature mutates, other creatures you control get +2/+1 until end of turn.

{T}: Add {C}{C}.