name: Arena of Glory
printings: MH3, PLST, PMH3
text: This land enters tapped unless you control a Mountain.
  {T}: Add {R}.
  {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)
type: Land