From the 2017 Seattle Rainiers (Triple A-Seattle Mariners) Choice Marketing set, you are buying the mascot Rhubarb card.
The Simpsons At Isotopes Park Booth, Justice and the American Pastime
Get to Know the Tacoma Rainiers' Mascot, Rhubarb - SouthSoundTalk
Tacoma Rainiers (@tacomarainiers) • Instagram photos and videos
Novelties – Tacoma Rainiers Official Store
Rhubarb Gallery Trading Card Database
2017 Tacoma Rainiers Roster
Novelties – Tagged Team_Tacoma Rainiers – Tacoma Rainiers Official Store
washington – Paul's Ballparks
Get to Know the Tacoma Rainiers' Mascot, Rhubarb - SouthSoundTalk