Sun-Crowned Hunters

Enrage — Whenever Sun-Crowned Hunters is dealt damage, it deals 3 damage to target opponent or planeswalker.

New Horizons

Enchant land
When New Horizons enters, put a +1/+1 counter on target creature you control.
Enchanted land has "{T}: Add two mana of any one color."

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.
Draw a card.

Choose one —
• Take Down deals 4 damage to target creature with flying.
• Take Down deals 1 damage to each creature with flying.

Rugged Highlands enters tapped.
When Rugged Highlands enters, you gain 1 life.
{T}: Add {R} or {G}.

Haste
{T}: Vulshok Sorcerer deals 1 damage to any target.

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

{1}{G}, Sacrifice Font of Fertility: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Dual Shot deals 1 damage to each of up to two target creatures.

Trample
{2}{R}: Sun-Collared Raptor gets +3/+0 until end of turn.

Creatures without flying can't block this turn.

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target artifact and target enchantment.

{T}: Prodigal Pyromancer deals 1 damage to any target.

Enrage — Whenever Frilled Deathspitter is dealt damage, it deals 2 damage to target opponent or planeswalker.

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Enrage — Whenever Ravenous Daggertooth is dealt damage, you gain 2 life.

Tremor deals 1 damage to each creature without flying.

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

As long as you control another Dinosaur, Thrash of Raptors gets +2/+0 and has trample.