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