Obsidian Stadium enters the battlefield tapped.
: Add to your mana pool. Return Obsidian Stadium to its owner's hand.
: Obsidian Stadium becomes a 2/1 black and white Skeleton Wizard creature until end of turn. It's still a land.
: Add 
to your mana pool. Return Obsidian Stadium to its owner's hand.: Obsidian Stadium becomes a 2/1 black and white Skeleton Wizard creature until end of turn. It's still a land.
