pokemon card booster 151 Box (Japanese) leading a gathering of all Pokémon Trading Card Game, Scarlet

Crimson Wisps says target Creature is Red, but color identity only matters outside the game as a deckbuilding restriction

What are the next best options

Its likely to be one of the meanest cards played in games using just Starter Commander precons

Thats overcosted in Limited but not a terrible effect to have

The downside is that there are hardly any combos that you can execute with it, as neither the creatures nor enchantments you have in play will likely make this better or worse

While it was previously a major removal spell in the format, nowadays with Unholy Heat, Drown in the Loch, Solitude and Prismatic Ending, the card is no longer as relevant as it used to be