(: Add or to your mana pool.)
Mystic Knoll enters the battlefield tapped.
: Mystic Knoll becomes a 1/1 blue and red Merfolk creature with flying until end of turn. It's still a land.
: Add 
or 
to your mana pool.)
: Mystic Knoll becomes a 1/1 blue and red Merfolk creature with flying until end of turn. It's still a land.
