Magmaquake

Magmaquake deals X damage to each creature without flying and each planeswalker.

Ashmouth Hound

Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.

Magma Jet deals 2 damage to any target. Scry 2.

{R}: Molten Ravager gets +1/+0 until end of turn.

{X}{R}, {T}, Sacrifice Cinder Elemental: It deals X damage to any target.

{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

When Mana Geode enters, scry 1.
{T}: Add one mana of any color.

This spell can't be countered.
Volcanic Fallout deals 2 damage to each creature and each player.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Bloodrock Cyclops attacks each combat if able.

Volcanic Geyser deals X damage to any target.

When Seismic Elemental enters, creatures without flying can't block this turn.

Thriving Bluff enters tapped. As it enters, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.