What fans of Red Dragon Archfiend wanted was to fight alongside the memorable ones they hit in Jump appendixes and packs, and not fakes of the cards they've been snuggling with no matter how strong they may be
The closest WotC has come to reusing this effect is in cards like Urgoros, the Empty One, which is a 6-drop, or Headless Specter, a card that requires hellbent to work
Booster packs Booster packs are eight-card boosters containing five Commons, two Uncommons, and one Rare/Mythic
Modern Magic makes Treasure, Food, Clue, and artifact tokens too and those quietly power ramp, lifegain, and card draw
Sunpearl Kirin is one of those cards that just came out of nowhere and immediately found a spot in most formats
Im sure youve heard about him to death at this point and Ive said what I have to say on the matter