Game Changers No More To address the 10 shiny elephants in the room first, todays Commander Bracket update removed 10 MTG cards from the Game Changers list
Ex cards are game-changers due to their high attack damage and HP, but they come with a major risk: if defeated, they grant your opponent two points instead of one
On that front, to help your chances for victory when you don't find yourself with a natural Natural Order, a basic green ramp strategy is a fine backup plan
However, with the rise of the internet including stores such as eBay or specialist CCG/TCG stores that sell single cards its very easy, if sometimes costly, to purchase multiple copies of Rare (or even rarer!) cards to build a deck around
One is the ability for players to share a list of cards they are interested in trading for, which seemed like an oversight to launch without in the first place
This is a 100 card, Mono Blue wizard commander (EDH) deck