Who Left the Gate Open?

While this card is in your hand you have a pool
of Ki points equal to your level that you can
spend to use the Shenyeese warrior's energy
blast feature.
You may discard this card as a bonus action to
activate one of the Gates of the heavens for a
number of rounds equal to your Proficiency
bonus, You also suffer the side effects of
whichever gate you activate. Roll a D4 to
determine what gate you activate (1-power,
2-lightning, 3-light, 4-darkness)