Usually, we only see white planeswalkers become creatures, although its turned up in other colors occasionally
I would use whichever move I can depending on the amount of energy cards attached to Stunfisk, since its retreat cost is lower than either of its moves' cost I would recommend retreating it somewhat often if it gets close to being knocked out
Some colors, such as red and black have a lot of trouble removing enchantments, so against certain decks, Planar Disruption can shut them down entirely
These spells are typically aimed at achieving a goal, functioning much like Mind Control by leveraging opponents' resources to gain an advantage in the game
Another top-tier card from the set, however, proves that its designers really understood the lore they were dealing with