Kefka Palazzo / Purphoros, God of the Forge (FIC) $25 Oh my (red) god
For only four ink, it can be sung by a character to deal five damage to either a location or character
The Collector Booster Box is where the most valuable cardboard lives: Surge Foil Borderless treatments of Sephiroth, Cloud, Tifa, Lightning, and Kefka, plus the rarest card in the entire set the serialized Traveling Chocobo at 1/77
Legendary Creature - Human Artificer Sin, Unending Cataclysm Flying, trample As Sin enters, remove all counters from any number of artifacts, creatures, and enchantments
An artifact that costs no mana, you can tap it and sacrifice it to look at the top of target player's library, then draw a card at the start of the next upkeep
Another potential card you could pull is Chip 'n' Dale - Recovery Rangers