Your search for "Strider Harness 183" revealed the following:
Strider Harness (RIX) from Rivals of Ixalan, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Kev Walker Card Text:Equipped creature gets +1/+1 and has haste.Equip 1 (1: Attach to target creature you control. Equip only as a sorcery.)...
Strider Harness (Foil) (RIX) from Rivals of Ixalan, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Kev Walker Card Text:Equipped creature gets +1/+1 and has haste.Equip 1 (1: Attach to target creature you control. Equip only as a...