Graven Bosk enters the battlefield tapped.
: Add to your mana pool. Graven Bosk doesn't untap during your next untap step.
: Graven Bosk becomes a 2/1 red and black Dwarf creature until end of turn. It's still a land.
: Add 
to your mana pool. Graven Bosk doesn't untap during your next untap step.: Graven Bosk becomes a 2/1 red and black Dwarf creature until end of turn. It's still a land.
