Target up to 3 of your banished LIGHT Machine-Type Normal Monsters and/or LIGHT Machine-Type Union monsters; Special Summon them. During either player's turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 of your banished LIGHT Machine-Type Normal Monsters or LIGHT Machine-Type Union monsters; return it to the hand. You can only activate 1 "Union Scramble" per turn.