Smash to Smithereens

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Darksteel Citadel

Island

Raze

As an additional cost to cast this spell, sacrifice a land.
Destroy target land.

Silverbluff Bridge

Silverbluff Bridge enters the battlefield tapped.
Indestructible
{T}: Add {U} or {R}.

Steam Vines

Enchant land
When enchanted land becomes tapped, destroy it and Steam Vines deals 1 damage to that land's controller. That player attaches Steam Vines to a land of their choice.

Think Twice

Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Repeal

Return target nonland permanent with mana value X to its owner's hand.
Draw a card.

Wildfire

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Izzet Signet

Dwarven Landslide

Kicker—{2}{R}, Sacrifice a land. (You may pay {2}{R} and sacrifice a land in addition to any other costs as you cast this spell.)
Destroy target land. If this spell was kicked, destroy another target land.

Dream Leash

Enchant permanent
You can't choose an untapped permanent as this spell's target as you cast it.
You control enchanted permanent.

Pillage

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

Seismic Spike

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Earth Rift

Destroy target land.
Flashback {5}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mountain

Mana Leak

Counter target spell unless its controller pays {3}.

Frost Titan

Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.
Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.

Bust

Boom

Destroy target land you control and target land you don't control.

Boom // Bust

Stone Rain

Cascading Cataracts

Indestructible
{T}: Add {C}.
{5}, {T}: Add five mana in any combination of colors.

Tremble

Annex

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.)
You control enchanted land.

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

Molten Rain

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

Talisman of Creativity

{T}: Add {C}.
{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.