Lore Target 1 face-up WATER Xyz Monster you control; Special Summon from your Extra Deck, 1 "Number O" or "OXyz" monster that is 1 Rank higher than that monster you control, by using it as the Xyz Material. (This Special Summon is treated as an Xyz Summon. Xyz Materials attached to that target also become Xyz Materials on the Summoned monster.) Then, you can have a number of face-up monsters your opponent controls, up to the number of Xyz Materials attached to the Summoned monster, lose ATK and DEF equal to the number of WATER monsters in the Graveyards x 100.
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