Whenever Obsidian Bank becomes tapped, it deals 1 damage to you.
: Add or to your mana pool.
: Add to your mana pool. Put Obsidian Bank on top of your library.
, , Sacrifice Obsidian Bank: Destroy target colorless permanent.
: Add 
or 
to your mana pool.: Add 
to your mana pool. Put Obsidian Bank on top of your library., , Sacrifice Obsidian Bank: Destroy target colorless permanent.
