Constellar Caduceus

If you control a "Constellar" monster, except "Constellar Caduceus": You can Special Summon this card from your hand. During your Main Phase: You can add 1 "Constellar" Spell/Trap from your Deck to your hand. You can only use each of the previous effects of "Constellar Caduceus" once per turn. A "Constellar" Xyz Monster that has this card as material gains this effect. • If this card battles a LIGHT or DARK monster, before damage calculation: You can banish that monster.