Windbrisk Needle enters the battlefield tapped unless you sacrifice a creature.
: Add or to your mana pool.
Put Windbrisk Needle on top of your library: Add to your mana pool.
, Sacrifice Windbrisk Needle: Add to your mana pool.
: Add 
or 
to your mana pool.
to your mana pool. , Sacrifice Windbrisk Needle: Add 
to your mana pool.
