When Scab-Chamber enters the battlefield, sacrifice it unless you pay 3 life.
: Add to your mana pool. Return Scab-Chamber to its owner's hand.
, , Sacrifice Scab-Chamber: Target player draws two cards, then discards two cards.
: Add 
to your mana pool. Return Scab-Chamber to its owner's hand., , Sacrifice Scab-Chamber: Target player draws two cards, then discards two cards.
