Elven Tubes enters the battlefield tapped unless you sacrifice a nonbasic land.
: Add or to your mana pool.
: Add to your mana pool. Put Elven Tubes on top of your library.
: Return Elven Tubes to its owner's hand.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Elven Tubes on top of your library.: Return Elven Tubes to its owner's hand.
