Perhaps more mechanically conventional, Amy Rose and Miles "Tails Prowler" offer strong choices for Equipment and Vehicle decks, respectively
Self-mill graveyard recursion
It is good at controlling strategies as well as aggro, as it just so impactful
Penny sleeves provide basic protection at minimal cost, making them ideal for commons and drafting
Worst case scenario, you use these spells as intended to take out an opposing Gaeas Cradle or Nykthos, Shrine to Nyx and draw a card, which is still well worth it
(EDHREC Rank: #989) Long-held conventional wisdom is that red and white were the weakest colors in Commander, but Wizards of the Coast have done a lot to juice up the power of red in recent years and I think the color can hang with the rest quite readily, especially in casual pods