Sinkhole

Go for the Throat

Earthblighter

{2}{B}, {T}, Sacrifice a Goblin: Destroy target land.

Ritual of Soot

Destroy all creatures with mana value 3 or less.

Kozilek, Butcher of Truth

When you cast this spell, draw four cards.
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)
When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Damnation

Destroy all creatures. They can't be regenerated.

Eldrazi Temple

{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

Seismic Spike

Lava Blister

Destroy target nonbasic land unless its controller has Lava Blister deal 6 damage to them.

Swamp

Goblin Gardener

When Goblin Gardener dies, destroy target land.

Pillage

Destroy target artifact or land. It can't be regenerated.

Mountain

Molten Rain

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.