MAGIC MTGA MTG Arena / SECRET LAIR SERIES: PICTURES OF THE FLOATING WORLD (similar as picture).
This is an unused code card from a Secret Lair MTG box.
Each code redemption will reward you with the sleeves listed below (5 exclusive sleeves) in the videogame MTG Arena
1x Windbrisk Heights (by Tomohito)
1x Shelldock Isle (by Amayagido)
1x Howltooth Hollow (by Shie Nanahara)
1x Spinerock Knoll (by Nagano)
1x Mosswart Bridge (by Aoji Maiko)