Forum:Card rulings for number 68 abandoning vs lait of darkness deck

I would like to know the ruling for numbwr 68 sandphon while vs a lair of darkness deck

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IF my friend activates number 68 sandphons effects.can i still use my lair of darkness effect to use it as a tribrute becuase sandphons effect states i cannot destroy that card by effects but if i use lair of darkness which allows me to tribute my oppenents monsters for my my effects can i still use sandphon as a tribut for ny card effect

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Please help me with this am so confused