Knowledge Vault [Legends] Friday Night Magic 2010 sacrifice it unless you sacrifice

sacrifice it unless you sacrifice two Swamps

first strike

it gets +1/+1 until end of turn

Set: Limited Edition Beta Type: Enchantment Uncommon Cost: {2}{B} White spells cost {3} more to cast

Set: Grand Prix Promos Type: Creature — Kor Artificer Rare Cost: {1}{W} When Stoneforge Mystic enters the battlefield

Knowledge Vault [Legends] Friday Night Magic 2010 sacrifice it unless you sacrificeSet: Legends Type: Artifact Rare Cost: {4} {2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.