Inspiring Call is a uncommon Instant card from Dragons of Tarkir (DTK), collector number 191. Current market price: $0.38 (foil $2.50), TCGplayer market prices via Scryfall.
Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)