Krosan of the Dead enters the battlefield tapped unless you control four or more artifact lands.
: Add or to your mana pool.
: Add to your mana pool. Put Krosan of the Dead on top of your library.
, , Pay 4 life: Draw a card.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Krosan of the Dead on top of your library., , Pay 4 life: Draw a card.
