Once per turn, during your Standby Phase: You can add 1 "Polymerization" from your Deck or Graveyard to your hand.
|Pack||Galactic Origin [SR]|
It is the recommended combo to swarm your opponent’s with HERO’s bond spell, then use R-Righteous Justice to eliminate their backrow. Hero Barrier is a very good card to protect your Elemental Heroes.
|Actions||Adds from Deck to hand / Adds from Graveyard to hand|