Knowledge Vault [Legends] SM201 Set: Modern Masters 2015 Type:

Set: Modern Masters 2015 Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {15} This spell can't be countered

Set: Sun & Moon: Black Star Promos Type: Stadium Rarity: Promo

but my host would casually push it down before I could make out what it was

Set: Skyridge Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Expedition: Base Set Type: Grass Rarity: Holo Rare

Knowledge Vault [Legends] SM201 Set: Modern Masters 2015 Type:Set: Legends Type: Artifact Rarity: 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.