Halinn

No, you're thinking of Tamagochi. Hitachi was an Italian fashion designer.

The correct way is to cut out the middle half and slur the parts you kept

It's roughly 293 Kelvin, if that's any help.

Notice all the fooling around he did with the deck before folding it out? That was arranging the spelling. The deck could spell out any card when put in the correct order.

While I don't know about /u/samsheffer's oven, mine's usually at around 20 °C and whatever time it happens to be in the Central European Timezone