Like most Magic: The Gathering cards, the value of Fire Magic depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
Well, this is a classic example of how much mana efficiency matters
You can get into some trouble with a card like Tarmogoyf, which was reprinted several times while simultaneously seeing a lot less play
Sorceries are magical spells that do whatever their text box says, then go to the graveyard
For instance: Creatures (32) 3 Fleshbag Marauder 4 Drana, Liberator of Malakir 2 Kalitas, Traitor of Ghet 4 Relentless Dead 4 Olivia, Mobilized for War 4 Falkenrath Gorger 4 Indulgent Aristocrat 3 Olivia's Bloodsworn 4 Asylum Visitor Lands (24) Spells (4) This card is sweet
Being able to play him for free and sift through the top of your deck to find an item you might need leaves him at a pretty high spot on this list.