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.
Card Type
Land
Condition
Near Mint
Rarity
Rare
Edition
Modern Horizons 3
If you are keen on selling this product, we are willing to listen to your offer I'm selling