When I recently came across a bulk box of Zendikar commons, I set aside copies of Expedition Map and Journey to Nowhere for personal use
First, it cannot be countered, so get away Swan Song or Negate
There are four available for Final Fantasy: Revival Trance (Final Fantasy 6), Limit Break (Final Fantasy 7), Counter Blitz (Final Fantasy 10), and Scions and Spellcraft (Final Fantasy 14)
But we know this would likely be too powerful
I would also be included towards losing Batterskull with it but one regular in my playgroup is a firm advocate of the big equip and uses it all the time without Stoneforge support to good effect
This power can't be used if Snorlax is already Asleep, Confused, or Paralyzed