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These are great ideas! Unfortunately, I can only add cheesy ideas where if I were DM, I'd have a hard time allowing.

  1. Yes, Mage Hand cannot activate a magic item. As others pointed out, can it activate it without truly activating it? What if it brought it up a cliff, then went 10' more and dropped it on to a flat surface, button side down? Or stood it button side up (say between 2 rocks) and then dropped another rock on the button? Or attach some kind of manacle to the rod, have the hand bring it 10' above the desired area and cast knock on the manacle?

  2. What if you put pine tar or honey on the button, then stuck a worm on it and cast a spell like Magic Missile, Magic Stone, Ice Knife, etc. on the worm from a distance?

  3. In a room with 30' or lower ceilings, firmly affix it in or between 2 objects so it is standing up (button up or down). Cast Bones of the Earth underneath it. When it hits the ceiling, it should activate. Though I don't know if the force of the stone pillars count as more than 8000lbs of weight.

  4. Throw or somehow get the rod to a desired position within 120' of you. Cast Bigby's Hand to activate it. Or throw another object near it or if another object like a large rock is already near it - cast Animate Objects on the other object to activate the button?

  5. Catapult spell?

These are great ideas! Unfortunately, I can only add cheesy ideas where if I were DM, I'd have a hard time allowing.

  1. Yes, Mage Hand cannot activate a magic item. As others pointed out, can it activate it without truly activating it? What if it brought it up a cliff, then went 10' more and dropped it on to a flat surface, button side down? Or stood it button side up (say between 2 rocks) and then dropped another rock on the button? Or attach some kind of manacle to the rod, have the hand bring it 10' above the desired area and cast knock on the manacle?

  2. What if you put pine tar or honey on the button, then stuck a worm on it and cast a spell like Magic Missile, Magic Stone, Ice Knife, etc. on the worm from a distance?

  3. In a room with 30' or lower ceilings, firmly affix it in or between 2 objects so it is standing up (button up or down). Cast Bones of the Earth underneath it. When it hits the ceiling, it should activate. Though I don't know if the force of the stone pillars count as more than 8000lbs of weight.

  4. Catapult spell?

These are great ideas! Unfortunately, I can only add cheesy ideas where if I were DM, I'd have a hard time allowing.

  1. Yes, Mage Hand cannot activate a magic item. As others pointed out, can it activate it without truly activating it? What if it brought it up a cliff, then went 10' more and dropped it on to a flat surface, button side down? Or stood it button side up (say between 2 rocks) and then dropped another rock on the button? Or attach some kind of manacle to the rod, have the hand bring it 10' above the desired area and cast knock on the manacle?

  2. What if you put pine tar or honey on the button, then stuck a worm on it and cast a spell like Magic Missile, Magic Stone, Ice Knife, etc. on the worm from a distance?

  3. In a room with 30' or lower ceilings, firmly affix it in or between 2 objects so it is standing up (button up or down). Cast Bones of the Earth underneath it. When it hits the ceiling, it should activate. Though I don't know if the force of the stone pillars count as more than 8000lbs of weight.

  4. Throw or somehow get the rod to a desired position within 120' of you. Cast Bigby's Hand to activate it. Or throw another object near it or if another object like a large rock is already near it - cast Animate Objects on the other object to activate the button?

  5. Catapult spell?

1
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These are great ideas! Unfortunately, I can only add cheesy ideas where if I were DM, I'd have a hard time allowing.

  1. Yes, Mage Hand cannot activate a magic item. As others pointed out, can it activate it without truly activating it? What if it brought it up a cliff, then went 10' more and dropped it on to a flat surface, button side down? Or stood it button side up (say between 2 rocks) and then dropped another rock on the button? Or attach some kind of manacle to the rod, have the hand bring it 10' above the desired area and cast knock on the manacle?

  2. What if you put pine tar or honey on the button, then stuck a worm on it and cast a spell like Magic Missile, Magic Stone, Ice Knife, etc. on the worm from a distance?

  3. In a room with 30' or lower ceilings, firmly affix it in or between 2 objects so it is standing up (button up or down). Cast Bones of the Earth underneath it. When it hits the ceiling, it should activate. Though I don't know if the force of the stone pillars count as more than 8000lbs of weight.

  4. Catapult spell?