What is this card worth

Diabolic Tutor PLST ODY-129 $1.25 Retro frame The List Diabolic Tutor SLD 1592 $6.50 Borderless Diabolic Tutor PW24 13 $2.52 Retro frame Wizards Play Network Diabolic Tutor SLD 721 $28.99 Retro frame Secret Lair Diabolic Tutor CMA 54 $2.21 Commander deck Diabolic Tutor KLD 75 $2.04 Diabolic Tutor CN2 132 $2.27 Diabolic Tutor M14 95 $2.04 Diabolic Tutor M12 92 $2.07 Diabolic Tutor CMD 77 $2.21 Commander deck Diabolic Tutor M11 93 $1.90 Diabolic Tutor M10 91 $1.61 Diabolic Tutor 10E 135 $1.58 Diabolic Tutor PHUK 51 $0.67 est. Media insert Diabolic Tutor PSAL A51 $0.39 Media insert Diabolic Tutor 9ED 125★ $16.00 Diabolic Tutor 9ED 125 $1.23 Diabolic Tutor 8ED 128★ $13.54 Diabolic Tutor 8ED 128 $1.64 Diabolic Tutor ODY 129 $4.10 Retro frame