When Keldon-works enters the battlefield, return a land you control to its owner's hand.
, : Add to your mana pool.
: Keldon-works becomes a 2/2 blue Illusion Fish creature until end of turn. It's still a land.
, 
: Add 
to your mana pool., : Add to your mana pool.
: Keldon-works becomes a 2/2 blue Illusion Fish creature until end of turn. It's still a land.
