(: Add or to your mana pool.)
Mistveil Vents enters the battlefield tapped.
, , Sacrifice Mistveil Vents: Prevent all combat damage that would be dealt this turn.
, : Put a 1/1 blue Cephalid creature token with flying onto the battlefield.
: Add 
or 
to your mana pool.), , Sacrifice Mistveil Vents: Prevent all combat damage that would be dealt this turn.
, : Put a 1/1 blue Cephalid creature token with flying onto the battlefield.
