Black Lotus [Beta Edition] XY170 puts it on the bottom

puts it on the bottom of their library

Set: The Brothers' War Retro Artifacts Type: Artifact Creature — Construct Rarity: Rare Cost: {3} Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield

reveal up to 1 [Baroque Works] type Event card and add it to your hand

is the first of the Daemon Princes and a consummate champion of Chaos

The only way to stop those possessed by the spirits of the book is through the act of bodily dismemberment

Black Lotus [Beta Edition] XY170 puts it on the bottomSet: Beta Edition Type: Artifact Rarity: Rare Cost: {0} {T}, Sacrifice Black Lotus: Add three mana of any one color.