When it comes into play, you get to make two 1/1 Faerie Rogue creatures with flying, which is not bad, but not great given its cost
In MTG interaction terms, this particular build focuses on five colors, and is centered on ramping plus getting into each color consistently by turn five
If a card just says "Partner" or "Friends Forever", its benefits only really apply to the Commander or Brawl formats, where you're allowed to run two Commanders that share a keyword
The saving grace is that Humility affects all players, meaning the person playing the card has to build their deck very specifically not to get hosed by it as well
Since most of your spells require blue mana, don't counter creatures you can kill with Galvanic Blast as soon as they're in play, especially if they only have one or two toughness