Cast Rune-Tail, Kitsune Ascendant.
Rune-Tail, Kitsune Ascendant flips due to having 30 or more life.
Since creatures can not take damage and Protector of the Crown prevents you from taking damage, you are unable to take damage.

Creatures you control can't be dealt damage

You can't be dealt damage

Rune-Tail, Kitsune Ascendant // Rune-Tail's Essence

Protector of the Crown

Palisade Giant redirects all damage that would be dealt to you or a permanent you control to it.
Because Rune-Tail's Essence prevents any damage that would be dealt to Palisade Giant, no damage can be dealt to you or permanents you control.

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