Vona de ledo, the Antifex

Legendary Creature — Vampire Cleric Knight - (rare)

Menace
When Vona de ledo enters the battlefield, destroy target nonland, nontoken permanent an opponent controls. Then you may discard a card. If you do, conjure a duplicate of that permanent into your hand, and the duplicate perpetually gains "Mana of any type can be spent to cast this spell."