[BLM Suggestion] Raise spell using Foul stack.

[Kabooa]

That said, regarding Kabooa's points toward me.
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B.) Black Mage's options need to consider its GCD lock, and be built to compliment that, not circumvent it.

Which were not related to Raise. They were related to the massive Potency dump that is Bahamut, while maintaining the other massive steroid that is Dreadwyrm Trance. Ruin 3 might have dumped from 200, but it also wasn't used on every cast. It was utilized to dump MP outside Dreadwyrm and used within it.

The data we have shows Summoner doing better the lower percentile we go, so clearly it's not a cut-and-dried "Bad Blackmages are better than Bad summoners". Skill floor tanks pretty evenly on both.

If there's a choice between doing anything for the party and casting Fire 4, I'm going to cast Fire 4. Having our options based on GCD just means they will not get used outside very specific instances in UI.