Harmonic Synchro Fusion (CR) [MZMI-EN035] Collector's Rare XY83 and it also introduced era

and it also introduced era defining cards like Jinzo and Imperial Order to the game as well

Super clear

Set: EX: Trainer Kit - Latios Type: Lightning Rarity: Promo Retreat cost: Colorless

destroy Herald of Protection and close the combat chain

Harmonic Synchro Fusion (CR) [MZMI-EN035] Collector's Rare XY83 and it also introduced eraSet: Maze of Millennia Card type: Normal Spell Rarity: Collector's Rare Send 1 Tuner and 1 non Tuner from your face up field to the GY; Special Summon both of the following monsters from your Extra Deck. 1 Synchro Monster that could be Synchro Summoned using just those 2 monsters in the GY as material. 1 Fusion Monster that could be Fusion Summoned using just those 2 monsters in the GY as material. You cannot Special Summon from the Extra Deck the