If everything goes perfectly, you should almost completely shut everyone else down to the point of barely being able to drop a land a turn, while simultaneously hoarding as much mana as possible for an explosive finish with a number of options
(You may cast this card from your graveyard for its escape cost.) To resolve Kroxa's second triggered ability in a multiplayer game, the next opponent in turn order (or, if it's an opponent's turn, the opponent whose turn it is) chooses a card in hand and sets it aside without revealing it
In most cases, I dont think a local auction house will get you top dollar for those primo cards so you have to consider a larger auction house that knows how to handle your specific collection
Second, it makes people build their decks to beat quick creature strategies
There are also more fun ways to evaluate Magic cards, like flavor text or art