A surge foil variant from Fallout is worth around $20, while regular main deck versions are worth around $2
You can get land with Eternal Dragon (and also have self-recursion with it as well), more discard with Ebon Dragon, tutor for things with Hoarding Dragon or Imperial Hellkite, sweeping with Steel Hellkite or Thunder Dragon or Scourge of Kher Ridges, take extra combat steps with Hellkite Charger, destroy artifacts with Hoard-Smelter Dragon, draw cards with Knollspine Dragon or Niv-Mizzet, lock creatures down with Rimescale Dragon, or combo out with Worldgorger Dragon
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Creature wise I've won with Guiltfeeder multiple times (going under the bridge) and Necrogoyf has helped out more than once take some life totals down
For example, if a blue Sliver enters the battlefield under your control, the ability can target and exile a creature with protection from white
And if you check out some streamers like Covert Go Blue, who despises mono-red and even sings some songs against the archetype while streaming Magic videos, you probably learned to hate, despise, or at least respect the archetype