Tropical Needle enters the battlefield tapped.
: Add or to your mana pool.
Put Tropical Needle on top of your library: Add to your mana pool.
: Tropical Needle becomes a 2/1 green and red Leech creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.
to your mana pool. : Tropical Needle becomes a 2/1 green and red Leech creature until end of turn. It's still a land.
