Mox Ruby

Mox Jet

Blood Moon

Sinkhole

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Black Vise

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Juzám Djinn

At the beginning of your upkeep, this creature deals 1 damage to you.

Ankh of Mishra

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Manabarbs

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Sol Ring

Relic Barrier

Stone Rain

Dingus Egg

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Goblin Balloon Brigade

{R}: This creature gains flying until end of turn.

Mountain

Chaos Orb

{1}, {T}: If this artifact is on the battlefield, flip it onto the battlefield from a height of at least one foot. If this artifact turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy this artifact.

Swamp

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.