Union Scramble (STP4-EN015) - Speed Duel: Tournament Pack 4 Unlimited

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