I think if these cards were only tied to a single campaign, then maybe they would have been even more iconic
Spectral, Dragon Ruler of Flickers X LIGHT Level 2 [ DragonEffect ] ATK 600 DEF 1000 You can discard this card and 1 Dragon or LIGHT monster
Once per turn, while in Defense Position, when a face-up "Morphtronic" monster you control is targeted for an attack: You can negate the attack
Celebi EX will get double the Energy quicker than ever and start rampaging with those coin flips
Screaming Nemesis The ever-present lifegain decks can be a bit much
Generic stamped promos distributed through events, prerelease kits, or retail bundles tend to have high supply and high submission volumes, which means populations are larger than people expect and the premium over raw is often minimal