When Sunken Farm enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool. Return Sunken Farm to its owner's hand.
, Sacrifice Sunken Farm: Target creature gets +2/+2 until end of turn.
.
: Add 
to your mana pool. Return Sunken Farm to its owner's hand., Sacrifice Sunken Farm: Target creature gets +2/+2 until end of turn.
