If your opponent Special Summons a monster(s) face-up (except during the Damage Step): You can discard this card, then target 1 of those face-up monsters; negate its effects until the end of this turn, also if that face-up monster leaves the field this turn, its controller takes damage equal to its original ATK. You can only use this effect of "Ghost Mourner & Moonlit Chill" once per turn.
NM-Mint 1st Edition - $8.10
Lightly Played 1st Edition - $7.30
Moderately Played 1st Edition - $6.50
Heavily Played 1st Edition - $5.70
Damaged 1st Edition - $4.10
NM-Mint 1st Edition Non English - $8.10
Lightly Played 1st Edition Non English - $7.30
Moderately Played 1st Edition Non English - $6.50
Heavily Played 1st Edition Non English - $5.70
Damaged 1st Edition Non English - $4.10