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![Wizened Arbiter (2021 Edition) [Mystery Booster Playtest Cards]](http://rayscollectibles.myshopify.com/cdn/shop/products/bd7d074c-1092-5778-8529-202a621d6beb_530x@2x.jpg?v=1629999357)
| Set: | Mystery Booster Playtest Cards |
| Type: | Creature — Human Soldier Wizard |
| Rarity: | Rare |
| Cost: | {W}{W} |
When Wizened Arbiter enters the battlefield, you may reveal a white card you own from outside the game. If you do, exchange that card with a card in your hand.