all blastoise pokemon cards ex 009/165 - 151 - Double Rare Team Up Type CGC Trading Cards Certifies Four

You can obtain the Lillipup (1-Diamond rarity) card by opening Extradimensional Crisis from Extradimensional Crisis set

More broadly, youd want to prioritize cards that make white spells cheaper like The Wind Crystal and Pearl Medallion and obviously other cards that offer mechanical interactions with legendaries like Gandalf the White and Heroes Podium

The gargantuan Orbeetle VMAX definitely checks that box

R&D has kind of soured on tutoring mechanics, so I think the future of this mechanics is also kind of dim

You can see translations for the revealed cards from Night Wanderer in this news story

If you hit the 1 in 136 packs that has a Soft Glow Hidetsugu, youre going to get a blue one about 62% of the time, a green one 31% of the time, and the red a mere 7%