Eldlich the Golden Lord [RA01-EN019] Quarter Century Secret Rare

You can send this card and 1 Spell/Trap from your hand to the GY, then target 1 card on the field; send it to the GY. If this card is in your GY: You can send 1 Spell/Trap you control to the GY; add this card to your hand, then you can Special Summon 1 Zombie monster from your hand, and if you do, until the end of your opponent's turn, it gains 1000 ATK/DEF and cannot be destroyed by card effects. You can only use each effect of "Eldlich the Golden Lord" once per turn.