nine colors gathering booster box Pokémon Eevee Chinese each containing 5 cards Pokémon CS4aC Nine Colors Gathering:

And, of course, you can imagine how evil this is with Kiki-Jiki, Mirror Breaker, or Freed from the Real and any permanent that taps for blue and at least one extra mana

Alania, Divergent Storm Beamsplitter Mage Elemental Expressionist Expansion // Explosion Gandalf the Grey Izzet Guildmage League Guildmage Lutri, the Spellchaser Mirror Sheen Muddle, the Ever-Changing Myra the Magnificent Nivix Guildmage Odds // Ends Ral, Storm Conduit Resonance Technician Rootha, Mercurial Artist Stella Lee, Wild Card

Black spades create strong contrast

The fact that you can use Field Spells and such as cost for Unseen Hand is also a good point of compatibility

Value Town One of the most important parts of playing Copycat is being able to get value out of each piece when you dont have both together

They are not the most sought after or the most expensive but they do look good