Arguably the most infamous of Yu-Gi-Oh
You can simply get this product and all the great cards in it for a fair cost, and you'll only need a few adjustments to make it viable
4 Shachi & Penguin The Heart Pirates' Power Duo Just like Jean Bart, Shachi & Penguin are Heart Pirates that not only boost the archetype, but are also generic ramp for any purple deck
Do they sell now while prices are absolutely nuts and hedge against a potential Reserved List repeal that would cost them thousands of dollars, or do they hold on knowing that the same argument for selling could have applied in 2015, and 2013, and 2010
The Creeping Tar Pit and Grove of the Burnwillows are definitely UB and RG cards, and the Eldrazi Temple has the familiar Hedrons weve come to associate with the Eldrazi
Another popular condition often used is Pack Fresh, this basically means that the card is completely clean of whitening or any other defect and is in a condition above the Mint state, often in the condition for a PSA/CGC/BGS Gem Mint 10.