If a permanent has more than one instance of vanishing they each work separately
Sadly, while many players are interested in the Avatar: The Last Airbender set, details are fairly sparse at the moment
As with creature only one mana bounce, I think two mana non land bounce only really has one slot open to it in a cube and so despite this being a very rounded and nice card I fear we have seen the last of it
Gallery and List of Book Cards Arcane Encyclopedia Autograph Book Barrin's Codex Book of Rass Codie, Vociferous Codex Diary of Dreams Emmessi Tome Five Hundred Year Diary Folio of Fancies Fool's Tome Geth's Grimoire Grimoire of the Dead Heirloom Epic Illuminated Folio Investigator's Journal Jalum Tome Jayemdae Tome Jodah's Codex Kyren Archive Mangara's Tome Marina Vendrell's Grimoire Mazemind Tome Mercadian Atlas Monster Manual My First Tome Mysterious Tome / Chilling Chronicle Otherworld Atlas Phyrexian Grimoire River Song's Diary Sarevok's Tome Sarpadian Empires, Vol
What's tricky is how it works with other draw replacements like Dredge or Abundance where you don't actually draw the card, and yet Library asks you to 'put the card on top' - which actually works to the advantage of the dredge player, as they won't have to put anything back or pay the life if they dredged thrice - as no extra cards was technically drawn
