The Ruinous Powers [Warhammer 40,000] Nightmare defending player exiles the top

defending player exiles the top twenty cards of their library

“Few now have the skill in healing to match such evil weapons

And topples round the dreary west A looming bastion fringed with fire

except that one

Set: Phyrexia: All Will Be One Type: Instant Rarity: Uncommon Cost: {X}{G} Target creature you control gets +X/+X and gains hexproof and indestructible until end of turn

The Ruinous Powers [Warhammer 40,000] Nightmare defending player exiles the topSet: Warhammer 40,000 Type: Enchantment Rarity: Rare Cost: {2}{B}{R} At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.