| romaji_name = Masumatishan
| image = Mathematician-SR01-EN-C-1E.png
| attribute = EarthEARTH
| type = Spellcaster
| type2 = Effect
| def = 500
| level = 3
| number passcode = 41386308
| effect_types = Trigger, Trigger
| lore = When this card is [[Normal Summon]]ed: You can [[send]] 1 [[Level]] 4 or lower [[Monster Card|monster]] from your [[Main Deck|Deck]] to the [[Graveyard]]. When this card is [[destroyed by battle]] and sent to the Graveyard: You can [[draw a card|draw]] 1 card.