Sure, it cost them a card and a life pointbut sometimes you just have to stop a spell right then and there
The big limitation is the lack of other Kavu, but Possibility Technician seems borderline playable as your only Kavu (along with a Soulstone Sancturary or two to late game be able to play any exiled cards)
That's because all Enchanteds are, in the words of art lead Matt Eng, "meant to stand out from all other cards in the set and be a celebration of the cards [they are] based on
Its ability to create an all-color kavu, scale creatures with counters based on their colors, and recur multicolored cards from the graveyard makes it incredibly versatile
It's incredibly easy to achieve delirium when you're also activating surveil regularly, and that makes this a very consistent beatdown
Collecting Murders at Karlov Manor With a murderous conspiracy gripping Ravnica and its guilds, it's up to you (and the best of the Ravnican Agency of Magicological Investigations) to unravel the mystery before it's too late