Khranmeer District

Khranmeer enters the battlefield tapped
{t} Khranmeer for {c} or {b/r}
All Duergar have shelter or their shelter increased by 1 while Khranmeer is in play
When Altar of Chains or Sarenath are in play then Khranmeer gains :{r}Tap Khranmeer District and scry 1