Knowledge Vault [Legends] Spider put it on top of

put it on top of its owner's library instead of into that player's graveyard

−1: Target player draws a card

Once the last few slivers the Riptide Project controlled were dead

Set: Dissension Type: Creature — Frog Rarity: Rare Cost: {1}{G}{G}{U} {T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn

the Demon Thane

Knowledge Vault [Legends] Spider put it on top ofSet: 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.