Lurking Predators [Magic 2010] Serpent Duergars are prodigious workers with

Duergars are prodigious workers with long memories

As long as Dearly Departed is in your graveyard

target opponent exiles the top four cards of his or her library

When Ray of Frost enters the battlefield

Set: Murders at Karlov Manor Commander Type: Instant Rarity: Rare Cost: {3}{R}{R} Choose target creature you control

Lurking Predators [Magic 2010] Serpent Duergars are prodigious workers withSet: Magic 2010 Type: Enchantment Rarity: Rare Cost: {4}{G}{G} Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library. All are prey to the eyes of the wild.