(: Add or to your mana pool.)
Goblin Tubes enters the battlefield tapped.
: Goblin Tubes becomes a 2/1 red and black Ogre Dwarf creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Goblin Tubes becomes a 2/1 red and black Ogre Dwarf creature until end of turn. It's still a land.
