Awesome Cyber Monday

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or...

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

First strike Reinforce 1—{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)

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

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...

Triskelion enters the battlefield with three +1/+1 counters on it. Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

First strike (This creature deals combat damage before creatures without first strike.) At the beginning of your upkeep, sacrifice Razormane Mastic...

Clockwork Hydra enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. ...

Flying When Faerie Mechanist enters the battlefield, look at the top three cards of your library. You may reveal an artifact card from among them a...

When you control no other artifacts, sacrifice Synod Centurion.

Juggernaut attacks each combat if able. Juggernaut can't be blocked by Walls.

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

Flying Clockwork Condor enters the battlefield with three +1/+1 counters on it. Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter...

When Loyal Sentry blocks a creature, destroy that creature and Loyal Sentry.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 1 or less, reveal that card, an...

Flying At the beginning of your upkeep, return an artifact you control to its owner's hand.

{T}: Put a -1/-1 counter on Serrated Biskelion and a -1/-1 counter on target creature.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Put a +1/+1 counter on each artifact creature you control.

{T}: Add {U}.

When Runed Servitor dies, each player draws a card.

Defender (This creature can't attack.)

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)