You can only use the (1) and (2) effects of this card’s name once per turn each.
(1) If this card is Synchro Summoned: You can excavate the top 5 cards of your Deck, and if you do, you can add 1 excavated LIGHT or DARK monster to your hand, also send the rest to the GY.
(2) You can banish 1 LIGHT and 1 DARK monster from your hand and/or GY, except this card; Special Summon this card from your GY, but banish it if it leaves the field.