Mana Vault

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Mox Emerald

Emerald Collector

Mox Jet

Jet Collector

Mox Pearl

Pearl Collector

Ruby Collector

Mox Ruby

Sapphire Collector

Mox Sapphire

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Obsianus Golem

Rod of Ruin

{3}, {T}: This artifact deals 1 damage to any target.

Karma

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.

Sol Ring

Soul Net

Whenever a creature dies, you may pay {1}. If you do, you gain 1 life.

Sunglasses of Urza

You may spend white mana as though it were red mana.

The Hive

Wasp

{5}, {T}: Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

Throne of Bone

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

Unlimited Edition