These decks can only be purchased with gems so you really need to weigh if you want to play the deck or not
For exploration to become a strong force in cube I feel like they need to print some cheaper cards to give it the redundancy, say a grizzly bear complete with exploration effect
This Mewtwo from Legends Awakened is very difficult to find on TCGplayer but sells solidly around $100 whenever a near-mint (NM) copy is listed
They process orders in a few days and pay by check, PayPal, or store credit, and they also buy in person at major events
Enter legendary cards like Nashi, Moon Sage's Scion, Kataki, War's Wage and Shaile, Dean of Radiance
They remain the same regardless of the value of the card, and include insurance and no hidden charges