(: Add or to your mana pool.)
When Grave Karoo enters the battlefield, you lose 1 life unless you reveal a multicolored card from your hand.
, , Sacrifice Grave Karoo: Target player discards a card.
, : You gain 1 life.
: Add 
or 
to your mana pool.)
, , Sacrifice Grave Karoo: Target player discards a card., : You gain 1 life.
