Just like Umbreon before it, as well as just about all of the cards on this list, the artwork does seem to be the major factor in just why the current price is so high
To quickly quote the ruling on this oft-forgotten (but not erratad) card type: When a world permanent enters the battlefield, any world permanents that were already on the battlefield are put into their owners graveyards
Most of those cards have been reintegrated into play overtime due to balancing checks, but Lysandre's Trump Card is so strong that its never been unbanned
Its first level is an innocent discard effect, but the more you invest in the enchantment, the better the results
Sacrificing creatures to it give it indestructibility which can help you keep your sacrifice outlets around after a board wipe
It turns out that replacing your draw step with a virtual draw-6 is pretty busted