nikke tcg booster box union arena Union Arena TCG: Goddess of Victory: Nikke [UE14BT] Booster Box Build powerful decks GODDESS OF VICTORY: NIKKE Booster

Then, prepare to go from classic to downright ancient

Once Summoned, they can both remove up to 3 opposing cards and Special Summon a Spirit monster ignoring its Summoning conditions (typically "Amano-Iwato", which will stay on the field), and after they return to the hand in the End Phase, will float into two tokens

That it also gives you card draw to draw into more creatures, counterspells, or Heroic Intervention is the icing on the cake

But with the Buster Sword also an actual Magic card, clashing both blades in a game would be a wonderful treat.

Each of those, like the Darkness Crystal, will reduce the mana required to cast a spell in its appropriate color by 1, and will cost four mana two of the color of choice, but the rest is unique to each Crystal