Obviously, if a card says to flip a coin, you flip a coin, but otherwise, it just needs to be an agreed-upon process with an equal chance of getting each result
(They can attack and as soon as they come under your control.) Whenever Shadowfax attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking
Jace, the Mind Sculptor was $60 or so when banned in Standard in 2011
This happens because usually, the front part of the cards is glued at the top of the proxy, and when theyre bent, the glue fails and the top layer falls
Thats It
This isnt quite a bomb, but it is certainly premium removal, and will reshape many games