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.
NM-Mint - $8.10
Lightly Played - $7.70
Moderately Played - $7.30
Heavily Played - $6.50
Damaged - $5.30
NM-Mint Non English - $8.10
Lightly Played Non English - $7.70
Moderately Played Non English - $7.30
Heavily Played Non English - $6.50
Damaged Non English - $5.30