Your opponents are also choosing what to remove, but the trick is: They cant target anything you control
You can run cards such as Mirrian Spy and Chakram Retriever to use Emrys ability repeatedly on a single turn
Magnified Showcase Frames 30 of the cards in the set have magnified showcases, with art framed through a magnifying glass
Aggro decks can utilize him as described above, control decks will lean on the removal aspect but also appreciate the untap ability to gain more mana or grant pseudo vigilance, and combo decks can use the untap ability to do crazy things like untap Gilded Lotus or maybe an even more broken permanent
Additionally, this is one of the few One Piece starter decks that feels like it levels up as the match goes on: your strongest characters arrive just when theyre needed most, turning the tide
But there's another reason why the price of Spacegodzilla fell so fast - it's simply not a very good card