(Fire-Lit Thicket isn't a spell.)
When Fire-Lit Thicket enters the battlefield, sacrifice it unless you pay 2 life.
All creatures have Swampwalk.
: Add to your mana pool. Return Fire-Lit Thicket to its owner's hand.
: Add 
to your mana pool. Return Fire-Lit Thicket to its owner's hand.
