Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Drytron" card. You can Tribute 1 other "Drytron" monster, or 1 Ritual Monster, from your hand or field; Special Summon this card from your hand or GY in Defense Position, then you can add 1 Ritual Spell from your Deck to your hand. You cannot Special Summon monsters, except monsters that cannot be Normal Summoned/Set, the turn you activate this effect. You can only use this effect of "Drytron Zeta Aldhibah" once per turn.
![Drytron Zeta Aldhibah [OP16-EN012] Super Rare | L.A. Mood Comics and Games](http://lamoodcomics.ca/cdn/shop/products/72b82441-f5a4-50c2-9ef4-058e2e811e16_cbd2a7ac-e459-47e8-bfed-7dcb5e4a270d.jpg?v=1707418687)
