1st generation pokemon card packs TCG Pokemon First Starter Box style promo cards consisting of beloved first partner Pokemon from the Kanto Base Set (Pokémon) - Wikipedia

Scarlet & Violet Black Star Promos TypePokmon Collector Number136 RarityPromo ArtistTonji Matsuno These Pokmon can crush a car with no more than a headbutt

Take that, Ulamog

Munkidori (Illustration Rare) $25.70 Card Number: #072/064 Rarity: Illustration Rare A prime example of how competitive play and actual artwork drive value, the Illustration Rare variant of Munkidori has outpaced its ex Special Illustration Rare counterpart in terms of value

Eeveelution SIRs grade well

There are already some cards that care about multicolor creatures like General Ferrous Rokiric and Hero of Precinct One

The cost can be very easily offset and earn you more mana than you could ever need each turn if you build your deck all around kindred creatures that all share the same creature type