When you gain control of this enchantment from another player, choose a creature you control and an opponent
Darksteel was the first "small" expansion to have 165 cards, where as previous small expansions had 143, (with the exception of Legions which had 145 as a balance among the five colors.) The following mechanics first appeared in Darksteel: Indestructible - Mechanic that made permanents indestructible
(They can't be blocked except by artifact creatures and/or black creatures.) Enchantment Color tag templates(None) Predators' Hour Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, exile the top card of that player's library face down
And while I'm actively neglecting to hype the coolness of their Archenemy schemes, I want to state that I really like Archenemy
Together, they make multiple haste copies of the creature Splinter Twin is enchanting and win the game on the spot
It doesn't give you additional Saprolings if more than one creature died