When evaluating VMAX cards, consider factors like card condition, rarity, appealing artwork, and demand
Collector's guides: Collector's guides, such as the "Pokemon Collector's Value Guide" by CheckerBee Publishing, can provide information on storage methods and best practices for preserving your collection
Altar of Bone being Green/White and having sacrifice effects is really strange, it should be part-Black
Its a creature deck at heart and can easily run over tables with a wide board full of 5/5 creatures with flying, haste, first strike, vigilance, unblockable, and whatever other keywords you can jam in
A 5-mana 4/5 that Surveils 2 when it enters or attacks is a quality card, and this can transform into a game-winning play in the late game