Volcanic Fallout

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

Mana Geode

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

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

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

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

Bloodrock Cyclops attacks each combat if able.

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.

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

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

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

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