Ho-oh

When Ho-oh enters the battlefield, each player proliferates
As long as your devotion to each color is less than14 ,
Ho-oh isn't a creature but is an enchantment.
Opponents cannot cast spells or trigger abilities
during your turn
When Ho-oh leaves the battlefield, exile all
commanders with it
{b/g}{u/r}{w}{t}:Exile target permanent until Ho-oh
leaves the battlefield. Then return it to its owners
control.