Pule 'Umi

As an additional cost to cast this spell, sacrifice two mana.
(Remove two mana from permanents you control and put them into your graveyard.)
Search all graveyards for a creature card and exile it.
Create a 0/0 black Spirit creature token named Unihipili. It enters the battlefield with the abilities of the exiled creature.
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"A dreadful prayer. A chant of death."