They can additionally compensate for discards in card effects who require a discard at resolution, such as "Paleozoic Dinomischus", "Shaddoll Beast", or "El Shaddoll Grysta" and "El Shaddoll Shekhinaga"
The card has, understandably, been prebanned everywhere else thanks to offering an unrivaled card advantage engine for no mana investment
"Ichthyo" means relating to fish or being fish-like, so Ichthyomorphosis would be the act of turning into a fish
Arahbo, Roar of the World in particular can make a huge difference with its +3/+3 buff
Who do you think will be number one on our list
From Surging Sparks: Ceruledge ex has "Raging Amethyst", Pikachu ex has "Topaz Bolt", Sylveon ex has "Angelite", Palossand ex has "Barite Jail", Flygon ex has "Sonic Peridot", Hydreigon ex has "Obsidian", Alolan Exeggutor ex has "Swinging Sphene", Tatsugiri ex has "Cinnabar Lure", and Cyclizar ex has "Zircon Road"