You can target 1 Level 4 or lower monster you control; its Level becomes double its original Level until the end of this turn (even if this card leaves the field). You can only use this effect of "Megalith Promotion" once per turn.
Near Mint / Lightly Played Unlimited - $0.50
Moderately Played Unlimited - $0.50
Heavily Played Unlimited - $0.50
Damaged Unlimited - $0.50
Near Mint / Lightly Played 1st Edition - $0.50
Moderately Played 1st Edition - $0.50
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50