Arena of Glory (Borderless) [Modern Horizons 3] Sphinx Set: 30th Anniversary Edition Type:

Set: 30th Anniversary Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

as if it had always known

It's still a land

Set: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {1}{U}{U} Counter target creature or sorcery spell

Set: Outlaws of Thunder Junction Special Guests Type: Sorcery Rarity: Mythic Cost: {2}{G}{G} Sacrifice any number of lands

Arena of Glory (Borderless) [Modern Horizons 3] Sphinx Set: 30th Anniversary Edition Type:Set: Modern Horizons 3 Type: Land Rarity: Rare Arena of Glory enters the battlefield tapped unless you control a mountain. T: Add R. R, T, Exert Arena of Glory: Add RR. 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.