Magic Cube

{t}: Name a nonland card. Look at the top 5
cards of your library. If the named card is in
the top 5 cards of your library, you may put
it onto the battlefield. If the card is a creature,
it gains haste until end of turn. Shuffle the
remaining cards into your library.
You may not put more than one copy of the
named card onto the battlefield.
Activate only during your upkeep.