(: Add or to your mana pool.)
Graven Chancery enters the battlefield tapped.
, : Graven Chancery deals 1 damage to target creature.
, , Sacrifice Graven Chancery: Prevent all combat damage that would be dealt this turn.
: Add 
or 
to your mana pool.)
, : Graven Chancery deals 1 damage to target creature., , Sacrifice Graven Chancery: Prevent all combat damage that would be dealt this turn.
