Mission Card "Adventurer Guild, Aibo Academy"

■ Set (This card remains on the field)

■ Counter [Act] During your attack phase, return an 《Adventurer》 monster from your field to hand. If you do, you may call an 《Adventurer》 monster with a different card name from your hand to an open area on your field by paying its [Call Cost]. You may only use this ability once per turn.

■ You may only Set one "Mission Card "Adventurer Guild, Aibo Academy"" on your field.