Name:Rocky Tar Pit
ManaCost:no cost
Types:Land
K:CARDNAME enters the battlefield tapped.
A:AB$ ChangeZone | Cost$ T Sac<1/CARDNAME> | Origin$ Library | Destination$ Battlefield | ChangeType$ Swamp,Mountain | ChangeNum$ 1 | SpellDescription$ Search your library for a Swamp or Mountain card and put it onto the battlefield. Then shuffle your library.
SVar:Picture:http://www.wizards.com/global/images/magic/general/rocky_tar_pit.jpg
Oracle:Rocky Tar Pit enters the battlefield tapped.\n{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card and put it onto the battlefield. Then shuffle your library.