Pirates is built around rewarding you for discarding cards
Here are some of the most broken single-pip rares in Final Fantasy that you should consider splashing: Dion, Bahamut's Dominant 5/5 flier for , dont worry about having reliable access to as Bahamut: Warden of Light is purely a bonus
Funnily enough, the Pokmon TCG had this same exact problem with the Professor Oak Trainer card
This archetype utilizes the bounce mechanic of Amethyst to trigger the aggressive abilities of Ruby cards over and over again
Eventually Wrenn will threaten to ultimate if not respected, which nearly always results in winning the game either by having nearly unlimited interaction, or a pile of Lightning Bolts
With that in mind, SpellskiteSpellskite will see work, and most likely add another experience counter when it does