Hallohallo

[ Pendulum Effect ]
Once per turn: You can target 1 face-up monster on the field; roll a six-sided die and that monster's Level becomes the same as the result until the end of this turn.

[ Monster Effect ]
''Hallo Hallo, brain of tallow,
Guts are gone, noggin's hollow.
Seeking sweets and marshing mallows,
Watch your back, and your candy sack.''