Yg'Konanar

Yg'Konanar costs {x} less to cast where {x} is the difference between your starting life total and the current amount of life you have under
your starting life total.
Indestructible, flying
Yg'Konanar enters the battlefield with {x} +1/+1 counters, where {x} is the combined life total of
each of your opponents. For the rest of the game,
you can't cast spells.