Darksteel Reactor [Darksteel] 183 Set: EX: Battle Stadium Type:

Set: EX: Battle Stadium Type: Psychic Rarity: Rare Retreat cost: Colorless

Set 1 "Golden Land" Spell/Trap directly from your Deck

you'll find:

when a card or effect is activated: You can negate the activation and destroy it

Set: Black & White: Plasma Freeze Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Darksteel Reactor [Darksteel] 183 Set: EX: Battle Stadium Type:Set: 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.