Arena of Glory (Borderless) [Modern Horizons 3] Lightning[+10] Set: Black & White: Dark

Set: Black & White: Dark Explorers Type: Fire Rarity: Holo Rare Retreat cost: Colorless

Take control of the equipped monster

Set: Sun & Moon: Forbidden Light Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

where X is Helga

Arena of Glory (Borderless) [Modern Horizons 3] Lightning[+10] Set: Black & White: DarkSet: 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.