yugioh 1st edition booster box Battles of Legend: Monster Mayhem A new awe Yu-Gi-Oh! Alliance Insight Booster Box

For example, I could imagine wanting to discard Insult // Injury to Lightning Axe with the goal being to kill two creatures for four mana

Donphan has a monstrous Retreat Cost of 4, which is terrible, but expected

And keep on chittering

Each sleeve features their guild symbol in exquisite metallic print on a subtle background based on the Guildgate artwork

It could also grant a good power buff and if it is blocked by and destroys two creatures/the attacking player could pay a steep man's coast to transform it

Below are some common questions that help explain how these legendary cards reached such extraordinary value