You can exile it and bring it back to prevent your foe from using it
I have already seen people say the card is too good for Modern by making it too easy to interact with the board, while I think that slower Midrange and Control decks finally have the chance to interact with your opponent, which is the best thing which could happen to Modern in the long run
However, if you have a decent number of creatures, you can convoke Clever Concealment and cast it essentially for free
In order to make sure Galarian Cursola V CPA 21 is in your Active Spot and Arctozolt DAA 66 is safe and sound on your Bench, you might need to rely on these Trainer cards to help them move around
Surely there wouldnt be any deck that operates like our current counter-based deck Darkrai/Sableye/Garbodor, right
I dont run Water-type decks on principle (I love Lightning-types, if you didnt know), so all my duplicates linger