Outpost River enters the battlefield tapped unless you control an enchantment.
: Add to your mana pool. Return Outpost River to its owner's hand.
, , Sacrifice Outpost River: Target player draws two cards, then discards two cards.
: Add 
to your mana pool. Return Outpost River to its owner's hand., , Sacrifice Outpost River: Target player draws two cards, then discards two cards.
