When Mystic Tubes enters the battlefield, you lose 2 life unless you reveal a multicolored card from your hand.
: Add or to your mana pool.
: Add to your mana pool. Put Mystic Tubes on top of your library.
: Regenerate target Rat.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Mystic Tubes on top of your library.
: Regenerate target Rat.
