Swamp Lake enters the battlefield tapped unless you sacrifice a Wizard.
: Add or to your mana pool.
: Add to your mana pool. Put Swamp Lake on top of your library.
, , Sacrifice Swamp Lake: Target creature gets -2/-2 until end of turn.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Swamp Lake on top of your library., , Sacrifice Swamp Lake: Target creature gets -2/-2 until end of turn.
