Killing large swaths of creatures will net you a ton of Treasure tokens , and unless your opponents have a way to get rid of it you'll be winning the game on your upkeep
For starters, Lions Eye Diamond was officially power-level erratad, in order to restore some semblance of sanity to the format
It will mostly be used in G/R Ramp style decks alongside Hour of Promise as a somewhat inefficient removal spell that doubles as a finisher against control decks, but I could also see red aggro decks that play it in their sideboard for the control matchup because of one card: Settle the Wreckage
If this vehicle did something when it came in or could attack right away, I could see it doing something
Illustrated by Beatrice Blue, Moana 's Tamatoa fills the full-card artwork with the familiar colors of purples, pinks, and orange that makes its way into many of the Enchanted cards for Archazia's Island