Dusk Charger is a common Creature — Horse card from Rivals of Ixalan (RIX), collector number 69. Current market price: $0.11 (foil $0.26), TCGplayer market prices via Scryfall.
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) This creature gets +2/+2 as long as you have the city's blessing.