It includes a number of cards that both allow you to sacrifice permanents and that generate ton of value when you do including many cards with abilities such as card draw, life gain, direct damage, drain, and other powerful effects when you sacrifice a permanent
Should you fail to pay, Primordial Ooze not only taps itself (and thus becomes useless), but it will deal that much damage to you
Infernape [Prize Pack] #33 (Pokemon Twilight Masquerade | Pokemon Cards) prices are based on the historic sales
They also tend towards cards which can help punch through a win with their first Marit Lage, rather than try and reset: Rite of Consumption lets you win without attacking or finish off a player who survives the first hit, while Not of This World is a free counter that stops both Swords to Plowshares and Wasteland
Youve probably seen some of the priciest cards described as PSA 10s