bleach thousand year blood war booster box Union Arena Thousand-Year Pack [UA08BT] 16Pack Unleash powerful combos Union Arena: Bleach Vol. 2

Since each belongs to 2 of the original Onomat archetypes (or all 4 in the case of Utopic Onomat), their effects synergize really well with each other, meaning if you have 2+ unique Onomat Monsters, all of them can be Summoned to the field on that turn.

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On paper, that is a good strategy because his field spell, Ancient City - Rainbow Ruins, gains increasingly powerful effects for each one, and if the backrow is full can summon a monster from there each turn, and if it happens to be Ruby Carbuncle it will result in a massive advantage

Even Exiled Creatures do not get rid of Rancor as the Enchantment itself doesnt get Exiled