It is also the card type with the least amount of design space, so in my role as head designer, one of the things I've championed has been slowing down the evolution of planeswalkers to make sure we're "squeezing all the toothpaste out of the tube." Because of this, the static ability on Garruk Relentless was a bit contentious
Command Tower is the classic example: Its colorless from a deckbuilding standpoint because it doesnt have colored mana symbols printed on it, but it still fixes you perfectly in-game because it only makes colors your commander actually has
Because delve isn't an alternative cost, it can be used in conjunction with alternative costs, such as flashback
2018-06-08 To have two commanders, both must have the partner ability (featured in the Magic: The GatheringCommander (2016 Edition) set) or corresponding "partner with" abilities as the game begins
Not only because of the synergy between these pieces, but also because of their game style
These are both cards that make your opponent pay mana to do something