If we take the average deck for each of them and look at the color spread of relevant cards, we get: Like I said in my 2022 retrospective, the only reason blue is the second-best color here is because of all the cards played with the Simic color identity, like Growth SpiralGrowth Spiral
Planeswalkers are typically countered by combo decks and aggro decks and so just by supporting those kinds of archetype you will neuter walkers somewhat and not need to forgo them
Why proxy it: Essential in Legacy and Vintage
It is also double red and while technically it is able to hit all the same targets as a Searing Spear, the need of having a creature in play to use it does significantly reduce the utility of this compared to conventional burn
"These incredible Pokmon have crossed borders and language barriers to reach the hearts of millions for over 27 years, bringing people together through the joy of play and discovery." The birth of Pokmon The first games, "Pokmon Red and Green," were released in Japan on February 27, 1996, for the Game Boy