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Description
| Set: | Modern Horizons 3 |
| Type: | Land |
| Rarity: | rare |
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.)