Knowledge Vault [Legends]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.

Set: Black & White: Legendary Treasures Type: Fire Rarity: Promo Retreat cost: Colorless

eyes gleaming with unspoken promises

Set: Sun & Moon: Crimson Invasion Type: Psychic Rarity: Holo Rare Retreat cost: 0

Set: Sun & Moon: Ultra Prism Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Duel Terminal 1 Card type: Synchro/Effect Monster Rarity: Rare Attack: 2100 Defense: 400 1 Tuner + 1 or more non-Tuner monsters During battle between this card and a Defense Position monster whose DEF is lower than the ATK of this card

Set: Fifth Dawn Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

You can only use this effect of “Ride of the Valkyries” once per turn

Set: Base Set Shadowless Unlimited Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

when you boost a card

Set: Beta Edition Type: Creature — Elemental Rarity: Uncommon Cost: {3}{R}{R} Fire Elementals are ruthless infernos

Set: XY: Ancient Origins Type: Water Rarity: Promo Retreat cost: Colorless

For reasons unknown to Crovax