Having this as an activated ability makes it eminently useful, as it can protect any creature you have in play from various shenanigans related to opposing artifacts
Gifting, Rooms, and start your engines
Notably, it also gives the counters to non-Ally creatures, allowing your whole battlefield to become bigger threats
A double-faced permanent with its back face up has a mana value equal to the mana value of its front face
(If the Auras can't enchant that creature, they remain in your graveyard.) Any target Equipment cards that can't legally be attached to the creature will enter the battlefield unattached
This looks like a tight-knit deck out of the box that might gain new pieces over time now that surveil is evergreen, but Id expect most players decks to look very similar post-upgrades