Cumulative upkeep-Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever you win a coin flip, Karplusan Minotaur deals 1 damage to target creature or player.
Whenever you lose a coin flip, Karplusan Minotaur deals 1 damage to target creature or player of an opponent's choice.

Artist: Wayne England