Sliver Overlord [Premium Deck Series: Slivers] Tenth Edition where X is that creature's

where X is that creature's power

Both complement and antithesis to his older brother Urza

return the exiled card to its owner's hand

Comet Storm deals X damage to each of them

It harnesses the power of night in a land where daylight fears to show itself

Sliver Overlord [Premium Deck Series: Slivers] Tenth Edition where X is that creature'sSet: Premium Deck Series: Slivers Type: Legendary Creature Sliver Mutant Rarity: Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.