EVANCELION

Water That Makes You Fight

Safe class. Glass of water that is 50% filled/empty, and it compels people within its vicinity to argue about it to the point of fighting to the death. You cannot add liquid or remove it from the glass in any capacity. Drinking the water, pouring water out of, or pouring new liquids into the glass make no difference. It is perpetually 50% occupied by water, 50% occupied by air.

Fridge That Turns You To Butter

Safe class. A refrigerator that turns all of its contents into unsalted butter. Either the object turns completely to butter and retains its shape, or the object is converted into an amount of sticks of butter equal to the object's weight or volume.

Clothes That Eat You

Euclid? Maybe keter? How do you contain an entire retail store? A clothing retail store where all of the clothes are sentient and slowly eat/digest its wearers. The employees in the store are humanoids that try to force customers to try the clothes on before buying them to sap their life force.