Aetherflux Reservoir [Mystery Booster]

Aetherflux Reservoir [Mystery Booster]Set: Mystery Booster Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. While most power is used for ordinary, everyday tasks, one shouldn't underestimate its potential for the extraordinary.

Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand

Set: Arena League 1996 Type: Instant Rarity: Rare Cost: {1}{W} Destroy target artifact or enchantment

Set: Beta Edition Type: Instant Rarity: Common Cost: {G} Prevent all combat damage that would be dealt this turn

that player may pay {1}{B}

Set: Pro Tour Collector Set Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

And now I see exactly how to kill you

Disintegrate and Hammer of Bogardan are excellent finishing cards

its controller chooses target permanent another player controls that shares a card type with it

or indestructible until end of turn

Repeat this process until no one puts a card onto the battlefield

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

{T}: Gain control of target creature for as long as you control Rubinia and Rubinia remains tapped