Cultural Exchange [Odyssey] Carcassonne Urza's metathran children were conceived

Urza's metathran children were conceived

Set: Throne of Eldraine Type: Legendary Artifact — Equipment Rarity: Mythic Cost: {4}{R}{R} Flash

Set: World Championships 2009 Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: Celebrations: 25th Anniversary Type: Lightning Rarity: Ultra Rare Retreat cost: 0

Cultural Exchange [Odyssey] Carcassonne Urza's metathran children were conceivedSet: Odyssey Type: Sorcery Rarity: Rare Cost: {4}{U}{U} Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)