This is one of MTG 's most specialized board wipes, and MTG players love the challenge of building the right deck for powerful board wipes like The Battle of Bywater
If you'd like to see this as a nice card and move on, then, it looks nice, enjoy the rest of the list
place 1 counter on this card, and if you do, reveal 1 "Gunkan" Xyz Monster from your Extra Deck, and your opponent declares 1 "Gunkan" monster's card name, except "Gunkan Suship Shari", that is mentioned on any "Gunkan" Xyz Monster, then, you add that declared card from your Deck to your hand
Ezio being a 5-color commander means you can run any of the 122 assassin-type creatures in MTG, and any of the changelings and type-changing spells youd like
With so few copies of these 10-year-old cards in circulation, the ones that are left have naturally spiked due to the recent demand