Viconia, Disciple of Rebirth

Legendary Creature — Elf Cleric - (uncommon)

When this creature specializes, conjure a duplicate of target creature card exiled with this creature into your hand. The duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell." If it has mana value 3 or less, you may put it onto the battlefield.
: Exile target card from a graveyard.