Gate to Phyrexia [Antiquities] Green When Darksteel Reactor has twenty

When Darksteel Reactor has twenty or more charge counters on it

Set: Zendikar Expeditions Type: Land Rarity: Mythic {T}

look at the top card of your library

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} Buyback {3} (You may pay an additional {3} as you cast this spell

reveal the top card of your library and put that card into your hand

Gate to Phyrexia [Antiquities] Green When Darksteel Reactor has twentySet: Antiquities Type: Enchantment Rarity: Uncommon Cost: {B}{B} Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn. "The warm rain of grease on my face immediately made it clear I had entered Phyrexia." Jarsyl, *Diary*