Thanks to Whispers in the Well and powerful cards like Demona and Hades, thats unlikely to change anytime soon, and Blurple continues to be a meta relavent choice in the Whispers in the Well format
Multicolour A set on Tarkir without its five clans would almost be as bad as a set on Ravnica where everyone is inexplicably detectives
Gaining Hexproof is also super-relevant, as it turns off direct damage effects, discard effects, and a lot of graveyard hate all in one swoop
It might seem like an upgrade, but giving the opponent two treasures can sometimes be way worse for you than giving them a 2/2 flier
This really makes the deck true to its name, as revealing your cards can really be quite the jump scare for those unprepared to see what horrors await
You got a permanent for much cheaper, but you had to pay the same cost the next upkeep to keep it