You can Ritual Summon this card with a "Megalith" card. You can discard this card; Ritual Summon 1 "Megalith" Ritual Monster from your hand, by Tributing monsters from your hand or field whose total Levels equal or exceed its Level. You can only use this effect of "Megalith Phaleg" once per turn. Monsters you control gain 300 ATK/DEF for each Ritual Monster in your GY.
NM-Mint 1st Edition - $0.25
Lightly Played 1st Edition - $0.23
Moderately Played 1st Edition - $0.20
Heavily Played 1st Edition - $0.17
Damaged 1st Edition - $0.13
NM-Mint 1st Edition Non English - $0.25
Lightly Played 1st Edition Non English - $0.23
Moderately Played 1st Edition Non English - $0.20
Heavily Played 1st Edition Non English - $0.17
Damaged 1st Edition Non English - $0.13