The idea is simple: Throw down Slicer, likely converted as Slicer, High-Speed Antagonist to save some mana, slap on some equipment like Sword of Fire and Ice, Commander's Plate, and O-Naginata, then pass Slicer around the table and watch it shred your opponents life totals like a block of cheddar
Ezuri, Renegade Leader gives the elves deck a win condition in the command zone, and some protection from board interaction
Island heavy strategies use it for extra countermagic
Maybe the white-green-red Cabaretti, who love to party
The first cut was Spreading Seas, which many control players already have done
Finally, which Final Fantasy games are your personal favorites (even among spinoff games like Tactics that didn't get featured in this product)