Wakumi, Living Drought

When Wakumi, Living Drought enters the battlefield, exile all artifacts and enchantments.
Create a token cube enchantment with
"Sacrifice this enchantment, you may cast a card
exiled with Wakumi, Living Drought and you
may spend mana as though it was mana of any
color to cast spells this way" for each permanent
exiled this way.
"Control belongs to the one willing to take it"