You can life equal to its power." Then you could handle something like Emrakul, the Aeons Torn
The only format where it sees any play whatsoever is Modern, where it is at best fringe, and the only reason that Goyf carries a price point anywhere above dollar rare status is ingrained price memory
I expect Rishkar to find multiple homes throughout Standard, and even being legendary is less of a drawback when an extra Rishkar can be cast to put a +1/+1 counter on two creatures
The storage with the deck case ensures that all components remain together and in good condition, which is a practical solution for both tournaments and casual play
Every time you remove an opposing monster from play you earn a prize card, and the goal is to claim each of them usually either four or six before your opponent to win the game
Assuming you can pick this up for a reasonable price, youre getting your moneys worth and then some