Zard isnt the only Shining mon from this set worth beaucoup of cash, however, as both Shining Raichu and Shining Tyranitar which features one of the best works of art ever on a Pokemon TCG card hover near the $400 mark
A 15/15 trampler in the late game is huge, and the normal version isnt weak at all
And everyone's favorite little yellow electric mouse, Pikachu, features in several of the most valuable cards on the planet
Discard a bunch of Mad Party Pokmon with Ultra Ball or other discard engines, then move a Ditto to the active position for a surprise attack
It might take some reworking of decks, but I could see this working well with Mew VMAX, Darkrai VSTAR [Astral Radiance], and other quick decks
That's the fundamental trade-off with selling Pokemon cards quickly