Arena of Glory

Land

Set: Modern Horizons 3 (MH3)

Rarity: Rare

Standard Commander

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.)

Deck Archetypes

Ramp Landfall

Adds red mana and grants haste to creatures, supporting ramp and landfall strategies with mana generation and creature …