Steam Shelter enters the battlefield tapped unless you pay .
: Add or to your mana pool.
: Add to your mana pool. Put Steam Shelter on top of your library.
, , Sacrifice Steam Shelter: Target player draws two cards, then discards two cards.
.
: Add 
or 
to your mana pool.: Add to your mana pool. Put Steam Shelter on top of your library., , Sacrifice Steam Shelter: Target player draws two cards, then discards two cards.
