Crystron Eleskeletus

1 Tuner + 1+ non Tuner monsters
Monsters your opponent controls lose 500 ATK/DEF. You can only use each of the following effects of "Crystron Eleskeletas" once per turn. If this card is Synchro Summoned: You can add 1 "Crystron" card from your GY or banishment to your hand. If this Synchro Summoned card is destroyed by battle or card effect: You can Special Summon 1 "Crystron" monster from your GY or banishment.