Arena of Glory (Borderless) [Modern Horizons 3] Sphinx Set: Alliances Type: Creature —

Set: Alliances Type: Creature — Horror Spirit Rarity: Rare Cost: {3}{B} At the beginning of the end step

Set: Zendikar Rising Prerelease Promos Type: Legendary Creature — Elemental Rarity: Mythic Cost: {3}{G}{G} Ashaya

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

It's still a land

create a Treasure token

Arena of Glory (Borderless) [Modern Horizons 3] Sphinx Set: Alliances Type: Creature —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.