Chimeric Staff

{X}: This artifact becomes an X/X Construct artifact creature until end of turn.

Chromatic Star

{1}, {T}, Sacrifice this artifact: Add one mana of any color.
When this artifact is put into a graveyard from the battlefield, draw a card.

Citanul Flute

{X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.

Coat of Arms

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Colossus of Sardia

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature doesn't untap during your untap step.
{9}: Untap this creature. Activate only during your upkeep.

Composite Golem

Sacrifice this creature: Add {W}{U}{B}{R}{G}.

Crucible of Worlds

Paladin en-Vec

First strike, protection from black and from red (This creature deals combat damage before creatures without first strike. It can't be blocked, targeted, dealt damage, or enchanted by anything black or red.)

Demon's Horn

Whenever a player casts a black spell, you may gain 1 life.

Doubling Cube

{3}, {T}: Double the amount of each type of unspent mana you have.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Fountain of Youth

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.)

Tenth Edition