Oh, and the Malisaurus costs 10 stones, as discussed
A strong top-deck later in the game when you have fewer cards to discard, for sure, but when you transform it into Ifrit, Warden of Inferno, you get a 9/9 and a free fight effect
More interestingly, Stiltzkin also comes packed with a very spicy Donate effect
Failure to purchase for any reason will result in your bidder number being disabled and pending bids cancelled
Most players don't want to "waste" a slot for it so this list features cards that don't just hate the graveyard and so don't feel like as much of a waste
In addition, putting three cards in your graveyard (two from the Probe plus the Probe itself) didn't seem like such a bad idea with a hungry 'Tog waiting in the wings