Xiao, Flower of Iron

Xiao, Flower of Iron enters the battlefield with 1
burn counter.
Whenever Xiao, Flower of Iron deals combat
damage to a player, deal damage to all players
equal to the amount of burn counters on Xiao,
Flower of Iron, then gain another burn counter.
{t}: Remove all burn counters from Xiao, Flower
of Iron and deal an equal amount of damage to
target creature, planeswalker, or player.