While Argivian Find is certainly playable, the only other option Id strongly consider running is Brought Back
Likely best in Golgari, oddly, just because of the overlap of unleash, evolve, and scavenge
Alternatively, you can slip this cat warrior into the 99 of a more exciting commander and still use it as a way to give your creatures a big buff
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There's also the Ultima spell (learnable only by Ramza and Alma, as well as Luso in the remake, and only during two storyline fights) and the Zodiac summon (learnable only by summoners, during one optional fight), which are taught by being hit with (and surviving) the skill in combat, as opposed to most skills which are purchased with JP