The last time we checked, that was good for literally nothing
Flawless Maneuver is one of a cycle of spells you can cast for free if you control your commander, and Sigardas Aid gives you a cheap way to put Equipment on Cap ready for him to lob them
I don't really see this doing anything phenomenal outside of maybe unlocking some domain or converge spells in an otherwise mono-colored deck, but this isn't really a broken ability
Mana is the most basic resource for activating cards , and mana is also required to activate numerous activated and triggered abilities other than cards
For example, if your Summon: Bahamut with one lore counter on it loses all abilities because someone attaches Observed Stasis to it, it'll won't gain lore counters via the turn-based action until it has chapter abilities again (probably because you removed the Observed Stasis somehow.) New Keyword Ability: Job Select Many FINAL FANTASY games allow characters to choose (and sometimes switch between) different jobs with unique strengths and abilities
The contents of the Lorcana Gateway box has been gently holding our hand as we begin our adventure into this unknown and yet thematically familiar territory