Steadfast Armasaur

Vigilance
{1}{W}, {T}: Steadfast Armasaur deals damage equal to its toughness to target creature blocking or blocked by it.

Tilonalli's Crown

Enchant creature
When Tilonalli's Crown enters, it deals 1 damage to enchanted creature.
Enchanted creature gets +3/+0 and has trample.

Whenever Territorial Hammerskull attacks, tap target creature an opponent controls.

Lightning Strike deals 3 damage to any target.

When Burning Sun's Avatar enters, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.

Flying, double strike, vigilance, trample, indestructible

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

Destroy target blocking creature. Creatures that were blocked by that creature this combat gain trample until end of turn.

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

Stone Quarry enters tapped.
{T}: Add {R} or {W}.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Dinosaur spells you cast cost {1} less to cast.
{T}: Target Dinosaur gains haste until end of turn.

Vigilance
Relentless Raptor attacks or blocks each combat if able.

Flying
Creatures your opponents control enter tapped.

Trample
If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.