Scars of Mirrodin

{T}: Add {G}.

{R}: Saberclaw Golem gains first strike until end of turn.

{T}: Add {C}{C}.

Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.) Equip {3} ({3}: Attach to target creature you control. Equip o...

{B}: Vector Asp gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison co...

You may choose not to untap Rust Tick during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step fo...

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery...

{T}: Add {W}.

Equipped creature has flying and first strike. Equip {2}

{1}{R}, Sacrifice Vulshok Replica: It deals 3 damage to target player or planeswalker.

{B}: Vector Asp gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison co...

Metalcraft — Rusted Relic is a 5/5 Golem artifact creature as long as you control three or more artifacts.

{1}{U}, Sacrifice Neurok Replica: Return target creature to its owner's hand.

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...

Indestructible Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control. Darksteel Juggernaut attacks each ...

{1}{R}, Sacrifice Vulshok Replica: It deals 3 damage to target player or planeswalker.

Tumble Magnet enters the battlefield with three charge counters on it. {T}, Remove a charge counter from Tumble Magnet: Tap target artifact or crea...

Trigon of Thought enters the battlefield with three charge counters on it. {U}{U}, {T}: Put a charge counter on Trigon of Thought. {2}, {T}, Remove...

Trigon of Rage enters the battlefield with three charge counters on it. {R}{R}, {T}: Put a charge counter on Trigon of Rage. {2}, {T}, Remove a cha...

Trigon of Mending enters the battlefield with three charge counters on it. {W}{W}, {T}: Put a charge counter on Trigon of Mending. {2}, {T}, Remove...

Trigon of Infestation enters the battlefield with three charge counters on it. {G}{G}, {T}: Put a charge counter on Trigon of Infestation. {2}, {T}...

Trigon of Corruption enters the battlefield with three charge counters on it. {B}{B}, {T}: Put a charge counter on Trigon of Corruption. {2}, {T}, ...

{8}, {T}: Tower of Calamities deals 12 damage to target creature.

{T}, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)