The Omnitrix

Transform {3}- Exile The Omnitrix. Search your library for a creature card with a converted mana
cost of 3 or less and put it onto the battlefield.
Shuffle your library.
Omnitrix Mastery {4}- Exile The Omnitrix.
Choose a creature card in your hand. You may
cast that card without paying its mana cost until
the end of the turn.
"A device of infinite possibilities, the Omnitrix grants
the power to become any being across the cosmos."