Darksteel Reactor [Darksteel] Green Bands are blocked as a

Bands are blocked as a group

The arrival of the God-Pharaoh marked a betrayal of both gods and mortals

If that mana is spent on an instant or sorcery spell

Set: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep

return target creature that player controls to its owner's hand

Darksteel Reactor [Darksteel] Green Bands are blocked as aSet: Darksteel Type: Artifact Rarity: Rare Cost: {4} Indestructible (Effects that say "destroy" don't destroy this artifact.) At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor. When Darksteel Reactor has twenty or more charge counters on it, you win the game.