Blasphemous Act

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Rain of Embers

Rain of Embers deals 1 damage to each creature and each player.

Rolling Earthquake

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Hurly-Burly

Choose one —
• Hurly-Burly deals 1 damage to each creature without flying.
• Hurly-Burly deals 1 damage to each creature with flying.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Scouring Sands

Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Chain Reaction

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Subterranean Tremors

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Dry Spell

Dry Spell deals 1 damage to each creature and each player.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Blazing Volley

Blazing Volley deals 1 damage to each creature your opponents control.

Seismic Shudder

Seismic Shudder deals 1 damage to each creature without flying.

Judith, Carnage Connoisseur

Whenever you cast an instant or sorcery spell, choose one —
• That spell gains deathtouch and lifelink.
• Create a 2/2 red Imp creature token with "When this creature dies, it deals 2 damage to each opponent."

Smash to Dust

Choose one —
• Destroy target artifact.
• Destroy target creature with defender.
• Smash to Dust deals 1 damage to each creature your opponents control.

Star of Extinction

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.