The Stargate

Place one limit counter on The Stargate during
your upkeep. If The Stargate has 3 counters on
it at the end of your turn return it to your hand.
{t}: Search your library for a creature card and
put it into your hand. Then shuffle your library.
{t}: Place a creature card from your hand onto
the battlefield.
"Chevron seven is locked!"
—CM Sgt. Walter Harriman