When Isle Tomb enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Isle Tomb on top of your library.
, : Add one mana of any color to your mana pool.
.
: Add or 
to your mana pool.: Add 
to your mana pool. Put Isle Tomb on top of your library.
, : Add one mana of any color to your mana pool.
