Darth Talon, Hand of Krayt

When Darth Talon, Hand of Krayt enters the
battlefield, exile target creature or artifact until
Darth Talon leaves the battlefield. You may cast
that card for as long as it remains exiled, and you
may spend mana as though it were mana of any
type to cast that spell.
"I am Darth Talon... I am my master's hand...
I am your death."