Phyrexian Metamorph (Toppers) [Double Masters] H20 the base and inner side

the base and inner side walls of the water pot have ribbed sections

After this main phase

−9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest

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but I didn't expect it from the building itself

Phyrexian Metamorph (Toppers) [Double Masters] H20 the base and inner sideSet: Double Masters Type: Artifact Creature Phyrexian Shapeshifter Rarity: Rare Cost: {3}{U P} ({U P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.