If this card is sent from the Monster Zone to the GY: You can Special Summon 1 Red Dragon Archfiend from your Extra Deck (this is treated as a Synchro Summon), then, if this card was sent to the GY as Synchro Material for a DARK Dragon Synchro Monster, you can destroy all opponents Attack Position monsters
Each Tin this year will contain 3 bigger-than-ever Mega-Packs, each with 2 more foils than in last years Tin Mega-Packs
If you resolve Teferi and can untap into casting a Cryptic Command or a Time Warp effect then it is almost impossible to lose from that position
Update 10/07/2024: Sengenjin Wakes from a Millennium This card is similar to other Millennium Monsters, and has an effect to place itself in a Spell & Trap zone
Even when you pay full price for the tap ability, its efficient
The enchantments in this deck are the secret to its success, not the big bodies