Broken Bond

Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.

Priest of the Wakening Sun

At the beginning of your upkeep, you may reveal a Dinosaur card from your hand. If you do, you gain 2 life.
{3}{W}{W}, Sacrifice this creature: Search your library for a Dinosaur card, reveal it, put it into your hand, then shuffle.

Unholy Heat

Unholy Heat deals 2 damage to target creature or planeswalker.
Delirium — Unholy Heat deals 6 damage instead if there are four or more card types among cards in your graveyard.

Break the Spell

Destroy target enchantment. If a permanent you controlled or a token was destroyed this way, draw a card.

Drover of the Mighty

This creature gets +2/+2 as long as you control a Dinosaur.
{T}: Add one mana of any color.

Birds of Paradise

Ixalli's Lorekeeper

{T}: Add one mana of any color. Spend this mana only to cast a Dinosaur spell or activate an ability of a Dinosaur source.

Imperial Lancer

This creature has double strike as long as you control a Dinosaur.

Gishath, Sun's Avatar

Vigilance, trample, haste
Whenever Gishath 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.

Drannith Healer

Whenever you cycle another card, you gain 1 life.
Cycling {1} ({1}, Discard this card: Draw a card.)

Itzquinth, Firstborn of Gishath

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.

Arcane Signet

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

Arboreal Grazer

Reach
When this creature enters, you may put a land card from your hand onto the battlefield tapped.

Triumphant Chomp

Triumphant Chomp deals damage to target creature equal to 2 or the greatest power among Dinosaurs you control, whichever is greater.

Druid Class

(Gain the next level as a sorcery to add its ability.)
Landfall — Whenever a land you control enters, you gain 1 life.
{2}{G}: Level 2
You may play an additional land on each of your turns.
{4}{G}: Level 3
When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

Intrepid Paleontologist

{T}: Add one mana of any color.
{2}: Exile target card from a graveyard.
You may cast Dinosaur creature spells from among cards you own exiled with this creature. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)