, Pay 1 life, Sacrifice Skeletal Caldera: Search your library for a Swamp or Mountain card and put it onto the battlefield, then shuffle your library.
: Skeletal Caldera becomes a 2/2 black Horror creature until end of turn. It's still a land.
, Pay 1 life, Sacrifice Skeletal Caldera: Search your library for a Swamp or Mountain card and put it onto the battlefield, then shuffle your library.
: Skeletal Caldera becomes a 2/2 black Horror creature until end of turn. It's still a land.
