When cast at the right time, if it gets to live during your next upkeep step this creature effectively makes the target opponent your own personal toolbox, at the same time pacifying him through your whole turn
Getting to see three different planes in one set was nice
Two big things going on are the introduction of Junk tokens and rad counters
A 3/3 that spits a 1/1 flying Drone every time you cast an artifact is exactly what UR artifact shells want
Most melded permanents are creatures and follow the exact same rules as any other, meaning you can protect them by giving them ward, hexproof, indestructible, or older mechanics like shroud
Basically, the deck feels unbalanced, and if players know your strategy is basically to go all in on creatures, they're going to be far more aware of your combos and keen to stop them