Kaido, Seiryu

Flying, Indestructible
Whenever Kaido enters the battlefield or
transforms, Kaido deals 3 damage to each opponent.
{x}{x}{r}{r}: Exile target permanent with mana value
X then, return it under target player's control at the
beginning of the next end step.When that permanent
returns, if that permanent is a land, it deals damage to
each creature without flying that share's the same
controller with it, otherwise it deals damage to its
controller equal to its mana value plus 2.
{ut}: Transform