Elven Catacomb enters the battlefield tapped unless you sacrifice a monocolored permanent.
: Add or to your mana pool.
Put Elven Catacomb on top of your library: Add to your mana pool.
: Target 1/1 creature gets +1/+0 until end of turn.
: Add 
or 
to your mana pool.
to your mana pool. : Target 1/1 creature gets +1/+0 until end of turn.
