Every two-color pairing in March of the Machine has a theme, and knowing what those are can clue you in to which colors to play
Despite their being no 1st or 2nd edition marking, these errata card changes mean that there are now distinguishable differences between the first print run cards and the second print run cards
The equip costs are the biggest hurdle for equipment to function effectively, so getting this big reduction on them is great for any deck built around them
After all, theres nothing worse than playing a massive green creature, only for it to be killed before it can ever attack
Pokmon may also adjust other gameplay factors and evolve into more powerful stages
It also keeps Hydro-Man safe from sorcery-speed removal and board wipes, though it removes it as a blocker, so theres some trade-off for your forbidden blue ramp