Xenhwalr, Fire's Fury

({t}: add {r})
Tap an untapped creature you control with haste:
put an eruption counter on Xenhwalr. Then, if Xenhwalr has five or more eruption counters on
it, remove all eruption counters from it, and it
deals damage equal to the number of eruption counters on it to each creature and each planeswalker. Whenever a creature you control
dealt damage this way dies this turn, Xenhwalr
deals 1 damage to each opponent.