Elemental

Inferno

Inferno deals 6 damage to each creature and each player.

Sizzle

Wildfire

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Incandescent Soulstoke

Other Elemental creatures you control get +1/+1.
{1}{R}, {T}: You may put an Elemental creature card from your hand onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Lavakin Brawler

Whenever this creature attacks, it gets +1/+0 until end of turn for each Elemental you control.

Shared Animosity

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Amplifire

At the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature card. Until your next turn, this creature's base power becomes twice that card's power and its base toughness becomes twice that card's toughness. Put the revealed cards on the bottom of your library in a random order.