Behemoth the King of a Hundred Battles

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You can Tribute Summon this card by Tributing 1 monster. This card is unaffected by the activated effects of Special Summoned monsters if it was Normal Summoned/Set. If this card is Normal or Special Summoned: You can target 1 Beast, Beast-Warrior, or Winged Beast monster in your GY; add it to your hand, and if you do, this card loses 700 ATK. Once per turn, during your End Phase: You can make this card gain 700 ATK.