Partner with Owen Grady, Raptor Trainer (When this creature enters, target player may put Owen into their hand from their library, then shuffle.) For each kind of counter on Blue, Loyal Raptor, each other Dinosaur you control enters with a counter of that kind on it.

As this creature enters, choose a player. If a source would deal damage to the chosen player or a permanent they control, it deals double that damage instead.

Counter target instant or sorcery spell unless its controller pays {1}. Draw a card.

Trample Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Defender (This creature can't attack.) As long as you control a creature with power 4 or greater, this creature can attack as though it didn't have defender.

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.

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.

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) When this creature dies, you may discover X, where X is its toughness.

Mutate {3}{R/G}{U}{U} (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.) Flying, trample Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

Draw three cards. Then discard two cards unless you discard a basic land card.

If you would draw a card while your library has no cards in it, you win the game instead.

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

Target creature gets +4/+3 until end of turn.

Trample Whenever another Dinosaur you control enters, you may have this creature's base power become equal to that creature's power until end of turn.

First strike Dinosaur spells you cast have prowl {2}{R}. (You may cast a spell for its prowl cost if you dealt combat damage to a player this turn with a creature with any of its creature types.)

Creature spells you cast cost {1} less to cast. Whenever another creature you control enters, this creature deals 2 damage to it. If a Dinosaur is dealt damage this way, this creature gets +2/+0 until end of turn.

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

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.

Flying At the beginning of your upkeep, you get {E}{E}{E} (three energy counters). Pay eight {E}: Return all other creatures to their owners' hands. Activate only as a sorcery.

Counter target artifact or enchantment spell.

When this creature dies, you may cast Dinosaur spells this turn as though they had flash, and whenever you cast a Dinosaur spell this turn, it gains "When this creature enters, you may have it fight another target creature."

Counter target spell.

Emerge {6}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When this creature enters, if you cast it, return each non-Dinosaur creature to its owner's hand.

Haste When Itzquinth enters, you may pay {2}. When you do, target Dinosaur you control deals damage equal to its power to another target creature.

Devour 3 (As this creature enters, you may sacrifice any number of creatures. It enters with three times that many +1/+1 counters on it.) Whenever this creature attacks, it deals damage equal to its power to up to one other target creature. Excess damage is dealt to that creature's controller instead.

Imprint — {1}, {T}: Exile target creature card from a graveyard. Activate only as a sorcery. {6}: Create a token that's a copy of target creature card exiled with this artifact, except it's a 6/6 green Dinosaur creature with trample. Activate only as a sorcery.

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

Whenever a nontoken creature you control with power 4 or greater enters, populate. (Create a token that's a copy of a creature token you control.)

Other Dinosaurs you control have haste. When this creature enters, 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.

Enrage — Whenever this creature is dealt damage, create a 3/3 green Dinosaur creature token with trample.

Untap target creature. It gets +2/+2 and gains reach until end of turn.