Its up to around $25, which is pretty good for a card with this much power
Remember: sometimes the best removal is player removal
It doesn't end there either, as the first creature spell you cast at the beginning of every turn has its mana cost reduced by two, thanks to Conduit of Ruin
Artificial beings, like the Planeswalker Karn, are based in colorless mana too, though may be able to develop into one of the other five colors at a later time
And as we mentioned early, Magic's signature redhead specializes in burning foes over and over again (Chandra, Fire of Kaladesh, Chandra, Awakened Inferno, Chandra, Hope's Beacon, etc.)
That said, for kids, seeing triple-digit damage on a card was enough of a reason to want to sell everything you had for a single copy of Charizard