If youre playing Ascendant Acolyte with Forgotten Ancient, you can stack the triggers so that Forgotten Ancients resolves first, thereby doubling what you move over as well
Compare the sellers card to a picture of the official card to make sure its real, too
The thing that pushes this to a level above cards like Impulse for me is that you can put things back into your deck and that is something not many cards in magic allow for, certainly not in such a cheap and painless way as this (except of course Brainstorm...)
7 Vanquish the Horde Look, board wipes are important, and Vanquish the Horde is an absurd one
Discard a card: Putrid Imp gains flying until end of turn
These cards support the notion of a true colorless ramp deck, at least in Historic, with Ugin and Ulamog at the top end essentially Tron-less Tron