(Lantern-Lit Catacomb isn't a spell.)
Lantern-Lit Catacomb enters the battlefield tapped unless you control two or more creatures.
All creatures have Plainswalk.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead.
