You choose a card in your hand, and if your opponent guesses whether that card has a higher or lower mana value than the number of artifacts you control
Jund, which ends up shifting a large number of cards in the change over to a different splash color, or the other Tron decks (Mono-U and Eldrazi Tron) which are pretty clearly distinct
And while they should be a better option, it absolutely is not at the moment
As the strength and flexibility of one's deck collection increases, players will have a much easier time dominating their opponents and reaching higher ranks
But I just dont have a lot of faith that flipping Kadena's Silencer over is a real answer to real threats in any real EDH scenario that I would run across, given my luck with morph, specifically
A 6/4 double striker is a potent threat, especially when it can bounce back to hand upon death with the Sword of the Realms other ability