A few cube lists on here mention that they don't run planeswalkers, or simply that they don't like planeswalkers.
As for me I could take 'em or leave 'em - they're cool, and in theory you interact with them via creatures and they don't run away with the game. Although if they're left to +1 endlessly without interaction not only do they get a bunch of card advantage from those activations, but they also get an emblem that says win the game. So I can see how that would be annoying, but it probably doesn't come up often.
Anyway, whether you love walkers or hate 'em, here's a fun little game you can try: convert them into another card type!
So far this is my favorite one, in part because it didn't need a ton of text to represent the typical use case for ol' Ob. Though in part that's just Ob's great original design shining through; other Walkerchantments were a bigger headache to make because the original walker is a big headache.
Submit your own designs, check out Alex's designs or mine, or read more here:
information: http://www.magicmultiverse.net/cardsets/1169
vis. spoiler: http://www.magicmultiverse.net/cardsets/1169/visualspoiler
As for me I could take 'em or leave 'em - they're cool, and in theory you interact with them via creatures and they don't run away with the game. Although if they're left to +1 endlessly without interaction not only do they get a bunch of card advantage from those activations, but they also get an emblem that says win the game. So I can see how that would be annoying, but it probably doesn't come up often.
Anyway, whether you love walkers or hate 'em, here's a fun little game you can try: convert them into another card type!

So far this is my favorite one, in part because it didn't need a ton of text to represent the typical use case for ol' Ob. Though in part that's just Ob's great original design shining through; other Walkerchantments were a bigger headache to make because the original walker is a big headache.
Submit your own designs, check out Alex's designs or mine, or read more here:
information: http://www.magicmultiverse.net/cardsets/1169
vis. spoiler: http://www.magicmultiverse.net/cardsets/1169/visualspoiler