What is this card worth

Fellwar Stone MBC MBC 74 $0.92 est. Fellwar Stone FRC FRC 57 $0.56 Commander deck Fellwar Stone SLD 2557 $5.62 Borderless Fellwar Stone MSC 285 $0.92 Commander deck Fellwar Stone SOC 347 $1.10 Commander deck Fellwar Stone ECC 141 $1.28 Commander deck Fellwar Stone SLD 7062 $10.75 Borderless Secret Lair Fellwar Stone TDC 318 $1.18 Commander deck Fellwar Stone DSC 245 $1.52 Commander deck Fellwar Stone BLC 269 $1.56 Commander deck Fellwar Stone OTC 257 $1.61 Commander deck Fellwar Stone MKC 228 $1.66 Commander deck Fellwar Stone WOC 147 $1.48 Commander deck Fellwar Stone CMM 382 $1.14 Fellwar Stone CMM 657 $3.54 Borderless Booster Fun Fellwar Stone PLST CMD-248 $1.55 The List Fellwar Stone MOC 356 $1.67 Commander deck Fellwar Stone ONC 130 $1.69 Commander deck Fellwar Stone SLD 1040 $23.24 Borderless Fellwar Stone BRC 141 $2.88 Retro frame Commander deck Fellwar Stone SLD 708 $10.81 Retro frame Secret Lair Fellwar Stone DMC 182 $1.14 Commander deck Fellwar Stone CLB 860 $1.45 Fellwar Stone NCC 367 $1.45 Commander deck Fellwar Stone NEC 150 $1.62 Commander deck Fellwar Stone AFC 206 $0.97 Commander deck Fellwar Stone PLST C15-254 $1.54 The List Fellwar Stone CM2 189 $1.30 Commander deck Fellwar Stone C17 210 $1.52 Commander deck Fellwar Stone C16 254 $1.52 Commander deck Fellwar Stone C15 254 $1.04 Commander deck Fellwar Stone CMD 248 $2.52 Commander deck Fellwar Stone ME3 195 No price yet Retro frame Fellwar Stone 9ED 297★ $206.75 Fellwar Stone 9ED 297 $2.92 Fellwar Stone 5ED 369 $4.14 Retro frame Fellwar Stone PTC PTC bl319 $1.99 Fellwar Stone PTC PTC pp319sb $2.69 Fellwar Stone PTC PTC mj319 $1.99 Fellwar Stone PTC PTC pp319 $1.99 Fellwar Stone PTC PTC et319 $1.90 Fellwar Stone REN 136 $14.99 Fellwar Stone Fellwar Stone 4BB 319 $8.00 Fellwar Stone 4ED 319 $5.92 Fellwar Stone DRK 102 $18.70