To complete How Did He Get In Here", you must also pay 4 Force. Put a unit card with printed build cost 9 or less from your discard pile into its arena untapped.
Pay 4 build points Meditate
Keywords
Meditate
Meditate: An isolated effect activated during a POP chance or your build step that means, "You may play this card from your discard pile without paying the printed cost. Play only during a POP chance or during your build step. When this card would be discarded, remove it from the game instead." Meditate can only be activated when the card is in your discard pile. Paying the Meditate activation cost means you don't pay the normal printed cost of the card.