Mirrodin

{1}{W}, Sacrifice Soldier Replica: It deals 3 damage to target attacking or blocking creature.

{T}: Add {U}.

When Rustspore Ram enters the battlefield, destroy target Equipment.

Flying At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Flying Whenever Slith Ascendant deals combat damage to a player, put a +1/+1 counter on it.

Flying You can't lose the game and your opponents can't win the game.

{1}{B}: Regenerate Pewter Golem.

Pentavus enters the battlefield with five +1/+1 counters on it. {1}, Remove a +1/+1 counter from Pentavus: Create a 1/1 colorless Pentavite artifac...

Flying

{2}{B}, Sacrifice Nim Replica: Target creature gets -1/-1 until end of turn.

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without ...

Flash Protection from artifacts

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype. Myr Prototype can't attack or block unless you pay {1} for each +1/+1 count...

{2}, {T}: Shuffle your library.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Myr Adapter gets +1/+1 for each Equipment attached to it.

As long as Skyhunter Cub is equipped, it gets +1/+1 and has flying.

Imprint — When Mirror Golem enters the battlefield, you may exile target card from a graveyard. Mirror Golem has protection from each of the exile...

{1}{G}: Malachite Golem gains trample until end of turn.

Trample Tap an untapped artifact you control: Lodestone Myr gets +1/+1 until end of turn.

When Leveler enters the battlefield, exile all cards from your library.

{T}: Add {B}.

{T}: Add {R}.