Calamity Ganon

Indestructible, Deathtouch, Trample, LifeLink
Calamity Ganon may only be played if you pay
20 life and while "Ganon, The Demon King"
is in play, or on the stack.
You may discard Calamity Ganon to play your
commander.
While Calamity Ganon is on the field, put 3
Time Counters on him. Once Calamity Ganon
has 0 Time Counters on him, each player other
than the caster takes 40 damage.