Now is a great time to start collecting cards from Murders at Karlov Manor, as its been out for several months and prices have largely stabilized
The first one attacks and destroys "Pandemic Dragon", lowering Kaiba to 2000 LP and triggering the effect of "Pandemic Dragon", weakening the ATK of all monsters on the field by 1000 but since Yami Diva's "Crimson Novas" are unaffected, the only monster that loses ATK is "Metalhold", allowing the third "Crimson Nova" to destroy it as well, bringing Yugi down to 2800 LP
PRODUCTS GOODSOFFICIAL CARD SLEEVE AUTHORIZED RETAILERS EDITION VOL.1 The Volume 1 of the official card sleeves authorized retailers edition
Though the tokens Mishra creates are sacrificed at the next end step, they can be used before then
A damaged card can still fetch a handsome sum provided it's rare enough, but a general rule of thumb is that the higher a cards quality is, the higher the price you can ask