You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites
Might sound a little odd, but for now, heres how it works
The tokens that its -2 loyalty ability creates care about the number of cards in your hand
With a variety of foiling and art treatments, prices for every card do get much higher
(This includes disguise, cloak, and in games involving older cards, morph and manifest, as well as a few other effects that turn cards face down.) Common methods for doing this include using markers or dice, or simply placing them in order on the battlefield
Mana rocks are very common in Commander nowadays, and powerful artifacts have seen play since Commanders inception, so the odds of hitting enough permanents to clear all creatures, including fliers, are pretty high when this comes down