Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having exactly 5 LIGHT monsters in your GY. When this card is Special Summoned: You can destroy all monsters your opponent controls. You can only use this effect of "Phosphorage the Elemental Lord" once per turn. If this face-up card leaves the field, skip the Battle Phase of your next turn.
Destroys all your opponent’s monsters upon summoning.
Difficult to summon.
Additional negative effect when it leaves the field.
Elementsaber monsters can change their attributes while in the graveyard. The idea is to use them as setup for the summoning of an Elemental Lord. Elemental Training can setup an OTK with multiple Elemental Lord monsters and Phosphorage’s clearing ability.