The sheer difficulty of this cards acquisition meant that there are now very few officially distributed copies in circulation, making them exceptionally rare and incredibly desirable by fans and collectors alike
Dragon Ascent costs five energy in total (including three fire, one electric, and one colorless), but it does a ridiculous 300 damage on hit
If another effect (or effects) modifies how much damage your creature with an odd mana value would dealby preventing some of it, for examplethe player being dealt damage or the controller of the permanent being dealt damage chooses the order in which any such effects (including Obosh's) apply
But this also works with any of the other treasure makers adding extra value to any of the triggers
Later in the game, Awakening Hall gives you a lot of value (or a lot of sacrifice fodder to keep doing the thing)
this wont be the only time you see this purrfect friend on this list