Leechridden Oasis enters the battlefield tapped unless you reveal a multicolored card from your hand.
: Add to your mana pool. Return Leechridden Oasis to its owner's hand.
, , Sacrifice Leechridden Oasis: Target player gets a poison counter.
: Add 
to your mana pool. Return Leechridden Oasis to its owner's hand., , Sacrifice Leechridden Oasis: Target player gets a poison counter.
