Game: MTG
Card: Arena of Glory - Extended Art
Set: Modern Horizons 3
Condition: Lightly Played
Card Details
Rarity: Rare
Card Text: This land enters tapped unless you control a Mountain.
{T}: Add {R}.
{R}, {T}, Exert this land: Add {R}{R}. If any of 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.)