Earth-Origin Yak is a common Creature — Ox card from Global Series Jiang Yanggu & Mu Yanling (GS1), collector number 9. Current market price: $0.16, TCGplayer market prices via Scryfall.
When this creature enters, creatures you control get +1/+1 until end of turn.
All Global Series Jiang Yanggu & Mu Yanling cards and prices