Detention Sphere [Ravnica Allegiance Guild Kit] Invasion search that player's library for

search that player's library for an artifact card and exile it

−2: Search your library for a card

Set: Beatdown Box Set Type: Creature — Whale Rarity: Uncommon Cost: {3}{U}{U} {U}: Killer Whale gains flying until end of turn

Set: Limited Edition Alpha Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another

I think 'toast' is an appropriate description

Detention Sphere [Ravnica Allegiance Guild Kit] Invasion search that player's library forSet: Ravnica Allegiance Guild Kit Type: Enchantment Rarity: Rare Cost: {1}{W}{U} When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.