Twash, Elvish Mercenary

Deathtouch, Indestructible
At the beginning of your upkeep, any number of players may pay any number of mana, then each
of those players may have Twash fight target
creature with converted mana cost equal to the
amount of mana they paid.
At the beginning of your end step, each
opponent loses life equal to the total amount of
mana paid into its ability this turn.