Each of your units gets "Forewarning: Your opponent loses 1 Force." until end of turn.
Remove 2 counters from your Resource Meditate, and your opponent loses 1 Force.
Keywords
Forewarning
Forewarning: [Effect]: A static, layered effect that means, "Whenever this unit is attacked, you may predict the number of hits that will be rolled for that attack. If you're correct, gain the [effect]. For example, a unit with "Forewarning: Gain 2 Force" will give you 2 Force if you guess the number of hits rolled correctly.
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.