Radiant Pokmon are all incredibly powerful versions of Basic Pokmon, but there is a rule that players can't have more than one Radiant Pokmon in their deck
Non-foil borderless source material cards can be found inside Play Boosters, while traditional foil versions are reserved exclusively for Collector Boosters
The gist of the Red Eyes deck revolves around the Joey's signature Red Eyes Black Dragon, and you'll have a ton of cards to quickly get it out on the field through Special Summon (Red Eyes Baby Dragon, The Black Stone of Legend, Return of the Red-Eyes), and keep it out there, along with other Red-Eyes cards
I mean, the legendary artifact is by far more useful in coin flip decks than the rest of poor old Krark, as weve already seen with Krark, the Thumbless
If its mana value was 1 or less, draw a card