When Keldon Clachan enters the battlefield, sacrifice it unless you pay .
: Add to your mana pool. Return Keldon Clachan to its owner's hand.
: Keldon Clachan becomes a 2/2 white Spirit creature until end of turn. It's still a land.
.
: Add 
to your mana pool. Return Keldon Clachan to its owner's hand.
: Keldon Clachan becomes a 2/2 white Spirit creature until end of turn. It's still a land.
