You can pay 1000 LP, then target 1 face-up Spell/Trap Card on the field; destroy it. You can only activate this effect of "Unending Nightmare" once per Chain.
NM-Mint Unlimited - $1.40
NM-Mint Unlimited Non English - $1.40
Lightly Played Unlimited - $1.30
Lightly Played Unlimited Non English - $1.30
Moderately Played Unlimited - $1.20
Moderately Played Unlimited Non English - $1.20
Heavily Played Unlimited - $1.10
Heavily Played Unlimited Non English - $1.10
Damaged Unlimited - $0.90
Damaged Unlimited Non English - $0.90
NM-Mint 1st Edition - $2.20
NM-Mint 1st Edition Non English - $2.20
Lightly Played 1st Edition - $2.10
Lightly Played 1st Edition Non English - $2.10
Moderately Played 1st Edition - $2.00
Moderately Played 1st Edition Non English - $2.00
Heavily Played 1st Edition - $1.80
Heavily Played 1st Edition Non English - $1.80
Damaged 1st Edition - $1.50
Damaged 1st Edition Non English - $1.50