For each of those cards that has the same mana value as another card revealed this way, they can then create a Treasure token
But if you've already been accumulating incidental energy with cards like Galvanic Discharge, then you can cast Wrath of the Skies for only two mana if you need to
I remember clearly sighing when I saw it on the spoiler knowing fully how tedious it was going to be in cube with Stoneforge and boy was I on the money
Blood Moon The ultimate red color-hoser, Blood Moon is a staple in every format its legal in
If that doesnt work out, Izzet Prowess may be where Self-Destruct ends up
When you do get sufficient value out of him to make up for that it is because you have built to abuse one aspect and so you would have been better off with a cheaper card that only did one half of the package such as a Helm of Awakening, Medallion, Sphere of Resistance etc