Urabrask, Sweltering Vagrant

Double strike, Menace
Cumulative upkeep—Add {r}
Whenever Urabrask, Sweltering Vagrant deals
damage to a player proliferate.
At the beginning of each opponents upkeep, Urabrask, Sweltering Vagrant deals X damage
to the active player, unless they pay X, where X
is the number of age counters on Urabrask, Sweltering Vagrant.