wincon

noun2

1. •
   (informal, slang) a card or mechanic which allows a player to win the game

   • My wincon is this card which deals 1 damage to each opponent for each card currently in play.
2. •
   (informal, slang) contraction of win + condition, a win condition, a condition that a player needs to meet when the game reaches an end-state in order to be declared winner of the game

   • In Magic: the Gathering, the wincon is all of your opponents having 0 life.