Untapping during the combat step is not optimal, but for every-turn artifacts that you're looking to tap a second time, repeatable untap abilities like this are great
In a format with an ever growing abundance of artifacts, and with it, more cards like Austere Command, Farewell and Vandalblast getting played, returning your own to hand with Retract over having them get exiled or destroyed isnt bad
Instead, it plays a supportive role, often found in double battles where its ability Plus boosts the power of its partner Pokmon when paired with Minun
This Legends Counterspell adds mana to your mana pool equal to the value of the spell it just countered, during your next main phase
A hybrid of 60% sealed and 40% singles balances stability with upside
Also potentially strange upside, but great for like stealing your opponent's Rhystic Study and becoming twice as annoying