Evolving Wilds

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

Quick Study

Firespitter Whelp

Flying
Whenever you cast a noncreature or Dragon spell, Firespitter Whelp deals 1 damage to each opponent.

Bite Down

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Island

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Mountain

Llanowar Elves

Rite of the Dragoncaller

Whenever you cast an instant or sorcery spell, create a 5/5 red Dragon creature token with flying.

Negate

Burst Lightning

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.

Kargan Dragonrider

As long as you control a Dragon, this creature has flying.

Seismic Rupture

Seismic Rupture deals 2 damage to each creature without flying.

Unsummon

Return target creature to its owner's hand.

Gleaming Barrier

Defender
When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Forest

Lathliss, Dragon Queen

Flying
Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying.
{1}{R}: Dragons you control get +1/+0 until end of turn.