Like most Magic: The Gathering cards, the value of Food Chain 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 (Judge Gift Cards 2018)
If an effect instructs a player to meld cards that can't be melded, those cards remain in exile
And in most other formats where its legal, you can expect only good explosive things from this little guy the ideal description for any Goblin card, in my opinion
Urborg, Tomb of Yawgmoth $12 Urborg, Tomb of Yawgmoth is the other high profile rare reprint in M15
What about against a casual tribal deck with combat as a win con
Getting +1/+1 for every other cat you control, a typal deck all about cats is sure to turn Pride Sovereign into a serious threat and, admittedly, a significant target for removal