If your opponent Special Summons a monster(s) while you control no cards: You can discard this card, then target 1 face-up monster your opponent controls; this turn, that monster cannot be Tributed, or used as material for a Fusion, Synchro, Xyz, or Link Summon. You can only use this effect of "Gnomaterial" once per turn.
Near Mint Unlimited - $3.60
Near Mint 1st Edition - $3.80
Lightly Played Unlimited - $3.40
Lightly Played 1st Edition - $3.60
Moderately Played Unlimited - $3.00
Moderately Played 1st Edition - $3.20
Played Unlimited - $2.30
Played 1st Edition - $2.50