Verdant Cairns enters the battlefield tapped unless you sacrifice a multicolored permanent.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
, Sacrifice Verdant Cairns: Add to your mana pool.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead., Sacrifice Verdant Cairns: Add 
to your mana pool.
