Fatal Push is a uncommon Instant card from Final Fantasy: Through the Ages (FCA), collector number 9. Current market price: $0.75 (foil $2.98), TCGplayer market prices via Scryfall.
Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.