slowpoke holographic card Japanese Pokemon 079/165 MASTER REVERSE HOLO Sv2a – PKMhobby the trusted official grading guarantees its condition Slowpoke - 057/142 (SCR) Common

try searching for it's category (the specific location/boss in question for example)

Dragon definitely is overrepresented here, but I suspect a portion of the dragon love comes from e4 generally being WOTC collectors, therefore an eseries Holo may speak to those specific people more than a non ereader holo because it could be reminiscent of skyridge or aquapolis

You can send 3 White Stone of the Legend to get a plus 3 or send some good targets for Red-Eyes Darkness Metal Dragon or just send Totem Dragon and use it's effect

It works like any other battle pass in that you level up and get additional goodies, including gems and points that can be used to craft specific cards later on

UR Ultra Rare Dotscaper X EARTH Level 1 [ CyberseEffect ] ATK 0 DEF 2100 If this card is sent to the GY: You can Special Summon this card

Luckily, I think Rebirth's Secrets are also the easiest of the bunch (outside of one Character's Completion Marks) and a very large chunk of them can be unlocked just by playing the game