Like most Magic: The Gathering cards, the value of Fishing Gear 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 Commander)
Ten were Ruby/Sapphire, five Sapphire/Steel, and just one Amethyst/Sapphire
Mogis, God of Slaughter Mogis, God of Slaughter enables tons of chaos strategies thanks to its color identity
For permanents those are name, mana cost, color, card type, subtype, supertype, rules text, power, toughness and loyalty
The uncounterable part actually matters in limited, because it means this can hit Disguise creatures and you dont have to worry about Ward