When Deathly of the Burnwillows enters the battlefield, return a land you control to its owner's hand.
: Add or to your mana pool.
: Add to your mana pool. Put Deathly of the Burnwillows on top of your library.
: Regenerate target Rat.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Deathly of the Burnwillows on top of your library.
: Regenerate target Rat.
