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Prevent all combat damage that would be dealt this turn.
Fateful hour — If you have 5 or less life, tap all attacking creatures. Those creatures don't untap during their controller's next untap step.
Clinging Mists doesn’t track the controller of the attacking creatures. If one of them changes controller before its previous controller’s next untap step, it won’t untap during its new controller’s next untap step.
In most cases, attacking creatures will already be tapped. They still won’t untap during their controller’s next untap step.
