(: Add or to your mana pool.)
When Underground Knoll enters the battlefield, sacrifice it unless you pay 2 life.
, , Sacrifice Underground Knoll: Target player discards a card.
, : Target creature gains haste until end of turn.
: Add 
or 
to your mana pool.)
, , Sacrifice Underground Knoll: Target player discards a card., : Target creature gains haste until end of turn.
