(: Add or to your mana pool.)
Horizon Karst enters the battlefield tapped.
, , Sacrifice Horizon Karst: Prevent all combat damage that would be dealt this turn.
, : Target green creature gets +2/+2 until end of turn.
: Add 
or 
to your mana pool.), , Sacrifice Horizon Karst: Prevent all combat damage that would be dealt this turn.
, : Target green creature gets +2/+2 until end of turn.
