Boss Rush
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[ Spell / Continuous ]
You cannot Normal Summon or Set. During the End Phase of the turn that a "B.E.S." monster or a "Big Core" is destroyed and sent to the Graveyard, you can Special Summon 1 "B.E.S." monster or 1 "Big Core" from your Deck.
How To Obtain
Sign of Harpies Box
Released on March 31, 2021
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