According to the Commander Format Panel, "Game Changers dramatically warp Commander games, allowing players to run away with resources, shift games in ways that many players dislike, block people from play, efficiently search for their strongest cards, or have Commanders that tend to take away from more casual games." What is the purpose of the Game Changers list
Poison counters are fair game, but many players feel they are unfair
Were avoiding any card with an On Play effect, relying on Finger Pistol, Black Hole, and Doc Q to KO the opponents Characters
On the other end of the spectrum, you can save up your Pack Points to spend them on an expensive ex card
This sounds quite dangerous, since the Reap copy created by Twincast is still on the stack when Twincast goes to the graveyard
In Play Boosters, the exact rate is 1 out of 28 boosters (a bit better than 4%)