Human-Wave Tactics [DR2-EN217] Common ST7-03 ) If another "Synchron" monster(s)

) If another "Synchron" monster(s) is sent to your Graveyard as a Synchro Material for the Synchro Summon of a Warrior or Machine-Type Synchro Monster

reduce the digivolution cost by 2

Set: XY: Fates Collide Type: Metal Rarity: Ultra Rare Retreat cost: 0

you can send 1 DARK monster from your Deck to the Graveyard

Human-Wave Tactics [DR2-EN217] Common ST7-03 ) If another "Synchron" monster(s)Set: Dark Revelation Volume 2 Card type: Continuous Trap Rarity: Common Attack: 0 Defense: 0 During the End Phase of each turn, select a number of Level 2 or lower Normal Monsters from your Deck equal to the number of your Level 2 or lower Normal Monsters destroyed as a result of battle during that turn, and Special Summon them to your side of the field. The Deck is then shuffled.