Assorted hits from the full spoiler:
This seems viable for people looking for more cheap white removal. It's no
Journey to Nowhere, but it kills things deader than
Oust does, and hits bigger targets than
Sunlance. Early game, you're more likely to be able to afford to take two or three damage from whatever it is you're trying to kill, while late game you should hopefully have your graveyard stocked enough to flash this out.
As safra alluded to earlier, this is a playable
Mana Leak variant, and could be great for standard. In cube, I think I still like running 2x
Condescend more, but at least there are options.
A less swingy
Madcap Skills? Seeing as how difficult it's been to flip a transformed
Mayor of Avabruck back to his human side here, the drawback is probably less severe than it reads.
Possible swap for
Commune with the Gods?
If you were looking for a cheaper, harder-to-kill
Sublime Archangel that can't attack, this might fit the bill. It allows wide aggro strategies to switch up their game plan on the fly and go tall with one large, evasive threat.