tag team rainbow rare pokemon cards Latios-GX (Rainbow Rare) The 10 Most Expensive Rainbow

Invasion of Karsus // Refraction Elemental is a nice bonus, to race your opponent better, but not strictly required

Mushu - Majestic Dragon is a protective Ruby and Steel card

If needed, refine the wording for a more retro, holographic, kawaii, or esports look

Finally, I also consider their relevance when they were printed/legal

LadyDevimon (BT25-083) Main Effect [On Play] [When Digivolving] By placing 1 [Three Musketeers] trait card from your hand or trash as any of your Digimon's bottom digivolution cards, Draw 1 (Draw 1 card from your deck.) [When Digivolving] [When Attacking] [Once Per Turn] By trashing 1 Option card from any of your Digimon's digivolution cards, you may use 1 [Three Musketeers] trait Option card from your trash with the cost reduced by 3