Arcane Sanctum comes into play tapped do i still get mana in mana pool for it

[yoyo]

do i get mana in my mana pool for arcane sanctum when it comes into play tapped?

[Arix]

No. The mana ability of Arcane Sanctum is an activated ability. You need to actively pay the cost of tapping it in order to get the mana - it doesn't just produce mana whenever it becomes tapped.