Suq'Ata Lancer is a special Creature — Human Knight card from Time Spiral Timeshifted (TSB), collector number 69. Current market price: $0.23 (foil $2.25), TCGplayer market prices via Scryfall.
Haste Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)