Heroic Charge is a common Instant card from Dominaria United (DMU), collector number 20. Current market price: $0.13 (foil $0.10), TCGplayer market prices via Scryfall.
Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.) Creatures you control get +2/+1 until end of turn. If this spell was kicked, those creatures also gain trample until end of turn.