You can identify these using their rainbow borders
Since Siege Zombie's activated ability doesn't have a tap symbol in its cost, you can tap creatures that haven't been under your control since your most recent turn began (including Siege Zombie itself) to pay the cost
Collectors on the hunt for this card look for a clean holofoil, strong centering, no edge whitening, and PSA 10 copies
New sets typically come in two sizes, full expansions with two or more booster packs, and limited themed boosters, which only have one booster pack and are about half the size of a full expansion
Because the Legendary Beasts and the Eon Duo carry massive price tags, they remain prime targets for sophisticated counterfeiters
Fakes are often thinner, flimsier, or feel waxy or overly stiff