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 Foil - $3.00
Lightly Played Foil - $2.90
Moderately Played Foil - $2.70
Heavily Played Foil - $2.40
Damaged Foil - $2.00
NM-Mint Foil Non English - $3.00
Lightly Played Foil Non English - $2.90
Moderately Played Foil Non English - $2.70
Heavily Played Foil Non English - $2.40
Damaged Foil Non English - $2.00