Sin Prodder is a rare Creature — Devil card from Jumpstart (JMP), collector number 363. Current market price: $0.42, TCGplayer market prices via Scryfall.
Menace At the beginning of your upkeep, reveal the top card of your library. Any opponent may have you put that card into your graveyard. If a player does, this creature deals damage to that player equal to that card's mana value. Otherwise, put that card into your hand.