Magma Jet

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

Grim Lavamancer

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

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

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

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

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

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

Volcanic Geyser deals X damage to any target.

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

Bloodrock Cyclops attacks each combat if able.

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

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

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