Scars of Mirrodin

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

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

At the beginning of your upkeep, sacrifice Molten-Tail Masticore unless you discard a card. {4}, Exile a creature card from your graveyard: Molten-...

{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...

{T}: Put a charge counter on Lux Cannon. {T}, Remove three charge counters from Lux Cannon: 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 Ichorclaw My...

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

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

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

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 Golem Foundry. Remove three charge counters from Golem Foundry: Create a 3/3 c...

{2}: Target artifact creature gets +1/+1 until end of turn. {2}: Target artifact creature gains your choice of flying, trample, or haste until end ...

At the beginning of your upkeep, you may put a charge counter on Golden Urn. {T}, Sacrifice Golden Urn: You gain life equal to the number of charge...

{T}: Add {W}.

Whenever another artifact enters the battlefield under your control, you may have Glint Hawk Idol become a 2/2 Bird artifact creature with flying u...

{T}, Sacrifice Flight Spellbomb: Target creature gains flying until end of turn. When Flight Spellbomb is put into a graveyard from the battlefield...

Metalcraft — Etched Champion has protection from all colors as long as you control three or more artifacts.