It's not just the rarity of the card but the specific set it was printed in
Besides that, I also like the Reuniclus
Also, if the living equipment Germ dies, you can transfer the equipment to another creature, keeping the threat in play
Its first chapter provides a situational Oblivion RingOblivion Ring, its next two chapters provide a temporary PropagandaPropaganda to help thwart go-wide strategies, and its final chapter lets you net some Treasure tokens so long as at least one of your opponents has a creature with power four or greater
Luffy (Red/Purple) I know, I know, another Luffy on the list, but hes the One Piece protagonist, after all