A combination of its low frequency in packs, its typically high power level in the game, and high demand from both players and collectors
Cultivate Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle
Take cards like Bone Shredder, Serrated Scorpion and Sling-Gang Lieutenant, mix them in with some sacrifice outlets like Deadly Dispute, Viscera Seer, and Bolass Citadel and youll have the makings of a Shirei deck
The backside is a million for one, but seven defense counters are a lot
Its fragility means that it often excels in decks looking for disposable, tutorable creatures like Rendmaw, Creaking Nest and Baba Lysaga, Night Witch
A fake in a trade binder turns a friendly deal into fraud