Descripción
If you control no monsters, or only Xyz Monsters: You can Special Summon this card from your hand, and if you do, Special Summon 1 «Exosister Elis» from your Deck. You cannot Special Summon monsters the turn you activate this effect, except «Exosister» monsters. If a card(s) moves out of either GY (except during the Damage Step): You can Special Summon from your Extra Deck, 1 «Exosister» Xyz Monster, using this face-up card you control as material. (This is treated as an Xyz Summon.) You can only use each effect of «Exosister Martha» once per turn.