yugioh card sky dragon Yu-Gi-Oh! Slifer The GBI-001 – may be 1st or Unlimited Edition Slifer the Sky Dragon [JUMP-EN061]

Looking at Bennie's EDHREC page, the support for the strategy is certainly there

Door #2 has the grand prize of the Lecture Hall which grants unconditional hexproof which is quite a commodity these days

Put those cards into your graveyard, then shuffle

Moreover, youll have even more bragging rights if you manage to pull one from a pack

2 Non-foil Booster Fun and/or extended-art cards Each Collector Booster has a total of two cards from the variants listed below: 13 Extended-art rares (18.8%) 5 Extended-art mythic rares (3.6%) 10 Borderless rares (14.4%), including Rooms and lands 6 Borderless mythic rares (4%), including Rooms and a planeswalker 20 Paranormal frame rares (29%) and 2 mythic rares (1.5%) 12 Double exposure rares (17.4%) and 5 mythic rares (3.3%) 4 Mirror monster rares (5.8%) and 3 mythic rares (2.2%) 1 Traditional foil, textured foil, or fracture foil card In addition to getting a traditional foil version of the cards found in the non-foil Booster Fun and/or extended-art slot, this slot is filled with some scary-good pulls from the halls of Duskmourn