That's three LTG triggers for 3 mana
If a card is valuable to you, double sleeve it and keep it away from playmats covered in dust or glitter
We Could Be Immortals, card number 219, is a Song card (appropriately, given that its the name of the Fall Out Boy song that plays over the end credits of the animated super hero movie, Big Hero 6)
Used together, you can force your enemies to exhaust with an Amethyst card and then follow up with a Ruby rush to take them out
As an MTG card, this puts it in similar company with budget reanimation spells like Miraculous Recovery, though with the artifact flexibility that allows it to be sacced for other purposes if no longer relevant for that turn
Ruby/Emerald has two Peter Pan, Never Landing and three Pongo, Ol Rascal