Merfolk Furnace enters the battlefield tapped.
: Add to your mana pool. Return Merfolk Furnace to its owner's hand.
, , Sacrifice Merfolk Furnace: Target player draws two cards, then discards two cards.
: Add 
to your mana pool. Return Merfolk Furnace to its owner's hand., , Sacrifice Merfolk Furnace: Target player draws two cards, then discards two cards.
