Darksteel Reactor [Darksteel] XY43 Set: Sword & Shield: Brilliant

Set: Sword & Shield: Brilliant Stars Type: Grass Rarity: Secret Rare Retreat cost: Colorless

Set: Alternate Art Promos Type: Supporter Rarity: Promo

then Set all face-up monsters currently on the field

Set: Expedition: Base Set Type: Fighting Rarity: Uncommon Retreat cost: Colorless

at the start of your Battle Phase: You can detach 1 Xyz Material from this card

Darksteel Reactor [Darksteel] XY43 Set: Sword & Shield: BrilliantSet: 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.