Auron's Inspiration is a uncommon Instant card from Final Fantasy (FIN), collector number 8. Current market price: $0.21 (foil $0.29), TCGplayer market prices via Scryfall.
Attacking creatures get +2/+0 until end of turn. Flashback {2}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)