They may be able to singlehandedly move the power of a deck a couple tiers higher in the meta reports than they would otherwise
While the planeswalkers ability is the built-in way to pull it off, Garruk doesnt care how he gets to 2 or 1 loyalty
Oh, and if that wasnt enough, if you dont need a combat trick you can always cycle it away for two mana
Like the previous sets, it had sword and shield symbols next to the power and toughness of creature cards to denote which number was which and used bold type for rules text and a thick line to separate it from flavor text
The main win condition (other than Thoracle) is Doomsday
That said, there are powerful equipment like Skullclamp and the Swords, and Anchor to Reality puts them straight into play, so there's utility here