box of yugioh cards Yu-Gi-Oh! Battles Legend alongside a brand Yugioh Beyond the Brave Booster

That will have to be enough for this long-forgotten, but importantly groundbreaking mechanic.

MCC - Charge Ahead 100x Flip a coin until you get tails

They come untapped and ready for use, they provide two colours of mana themselves but in addition are able to convert another one of either of the two colours to the other

And there you have it

Card Image Gallery - November 10, 2021 - Wayback Machine Kamigawa: Neon Dynasty Art Cards

Gotta collect 'em all Generally speaking, it still operates similarly to other popular digital trading card games, with daily challenges and longer-term goals giving you resources to open more packs