yugioh infinite life points deck Rainbow LP Gain Mill 【Snow Ishizu Engine】 Infinite Impermanence (L5DD-ENY31) - Legendary

C Common MR Mosaic Rare Exarion Universe X DARK Level 4 [ Beast-WarriorEffect ] ATK 1800 DEF 1900 During your Battle Step, if this card attacks a Defense Position monster: You can make this card lose exactly 400 ATK, and if it does, it will inflict piercing battle damage

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But that doesn't make it any less popular within yugioh

(2) An Xyz Monster whose original Attribute is DARK and has this card as material gains this effect

Some combos this deck uses (EG: Rescue Cat) can feel the wrath of Nibiru, thus ruining the impact