Indestructible (Effects that say "destroy" don't destroy that permanent. An indestructible creature can't be destroyed by damage.) Darksteel Hydra enters the battlefield with X oil counters on it. Darksteel Hydra's power and toughness are each equal to twice the number of oil counters on it. When Darksteel Hydra enters the battlefield, conjure (A conjured card is added to the game.) a card named Darksteel Ingot and a card named Darksteel Plate into your hand.