The art on the card isn't too dissimilar to the promo that featured as part of the real Pokemon Trading Card Game's 151 Ultra Premium Collection that was released late last year
As for the multiple cards you have to discard, consider this opener: Turn 2: Jace, Vryns Prodigy Turn 3: Discard Stitchwing Skaab, followed by discarding Geralfs Masterpiece and Prized Amalgam
However, casual formats can accept proxies in your deck, depending on the acceptance of other players in your play group
So without further ado, lets hit the deck and start drawing up this ranking of the best mill cards in all of Yu-Gi-Oh
I decided that such a thing deserved an Archetype built around it, so here we are
Mechanically though, there is a difference, so it's a tool we use from time to time