Trade Route Envoy is a common Creature — Dog Soldier card from Tarkir: Dragonstorm (TDM), collector number 163. Current market price: $0.16 (foil $0.17), TCGplayer market prices via Scryfall.
When this creature enters, draw a card if you control a creature with a counter on it. If you don't draw a card this way, put a +1/+1 counter on this creature.