Realize that high-value cards often sell for 5-10% below the tracked average if a buyer is paying with immediate cash
Based on the latest market prices tracked on TCG Stacked, Cavern of Souls is worth about $53.02 USD for a regular copy and $66.16 USD for a foil copy
However, looking at their Facebook page, they host quite a few pre-release events, hosted their first Pokmon League Cup in early November, have started doing some Disney Lorcana events so just check their Facebook page for upcoming events
Igknights also work well if youre building a strategy around a card like Skill Drain that negates Monster effects on the field
Falthis, Shadowcat Familiar Falthis, Shadowcat Familiar is a meowing two-for-one thanks to the mean combination of menace and deathtouch
As awareness and demand grow, this cards value trajectory looks promising