Faerie Bog enters the battlefield tapped.
: Add to your mana pool. Return Faerie Bog to its owner's hand.
: Faerie Bog becomes a 2/2 blue Merfolk creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Faerie Bog to its owner's hand.
: Faerie Bog becomes a 2/2 blue Merfolk creature until end of turn. It's still a land.
