Conclusion Each of the Game Changers are powerful in their own right
Instead of being the one who gets surprised when your opponent casts an instant and boosts their prowess creature, cast your combat tricks to buff your own creatures
But that could only last for as long as you had ink to spend on replaying the character with Rush
Likewise, their ability triggers not in the Upkeep nor Endstep, but at the beginning of the combat phase, the extra card draw and the token give us a variety of options to plan our actions in combat
Jeskai Striker is a great precon, and one of the best you can get in Jeskai colors
All of these cards can be cast for their front side casting cost, or the alternate More Than Meets The Eye cost, to have it enter the battlefield converted on its back side, similar to transforming effects found on many werewolf cards