Each deck comes with a COA, as well as a collectible COA card with a holographic face
Bonus points considering youll also gain card advantage if your opponent has no cards in their hand
I can force a situation where you need to use a Stone with under half that mana
Sidar has a very powerful mechanic in eminence (remember Edgar Markov?), so you only need to attack with knights to loot
Even commodities with clear levels of use-value demand like gasoline, eggs, or palladium fluctuate in price for similar reasons, a combination of demand, investment speculation, and, if not always nostalgia, at least some form of emotional connection to a product that seems stronger than its value in use or consumption
See also: Binder layout planner How should I organize Aquapolis in a binder? For 318 cards (including reverse holos), a 9-pocket binder needs 18 double-sided pages and a 12-pocket binder needs 14 pages