Scars of Mirrodin

{T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr. {3}, {T}: Return target Myr card from your graveyard to your...

{3}, {T}: Create a token that's a copy of this creature.

Other Myr creatures you control get +1/+1. {1}, {T}: Untap each other Myr you control.

When this creature enters, create four 1/1 colorless Myr artifact creature tokens. Whenever this creature attacks, you may tap X untapped Myr you c...

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

{1}{B}, Sacrifice this creature: You draw two cards and you lose 2 life.

At the beginning of your upkeep, sacrifice this creature unless you discard a card. {4}, Exile a creature card from your graveyard: This creature d...

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all dec...

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with this artifact to its owner's gr...

{T}: Put a charge counter on this artifact. {T}, Remove three charge counters from this artifact: Destroy target permanent.

Equipped creature gets +2/+0 and has "Whenever this creature becomes the target of a spell, this creature deals 2 damage to any target." Equip {2}

{T}: Target permanent becomes an artifact in addition to its other types until end of turn.

{T}: Add {B}.

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

{T}: Add {R}.

Whenever equipped creature becomes blocked by a creature, you may draw two cards. Equip {1}

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever this creatur...

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. When this artifact is...

Equipped creature doesn't untap during its controller's untap step. Equipped creature has "{T}: This creature deals 2 damage to any target." Equip {4}

{T}: Put a charge counter on this artifact. {T}: Target player mills X cards, where X is the number of charge counters on this artifact.

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison count...

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

Whenever you cast an artifact spell, you may put a charge counter on this artifact. Remove three charge counters from this artifact: Create a 3/3 c...