Birds of Paradise [Magic 2012] Equipment each defending player chooses any

each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player

Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step

and then you're done

return Spirit Loop to its owner's hand

At the beginning of the upkeep of enchanted enchantment's controller

Birds of Paradise [Magic 2012] Equipment each defending player chooses anySet: Magic 2012 Type: Creature Bird Rarity: Rare Cost: {G} Flying {T}: Add one mana of any color. "The gods used their feathers to paint all the colors of the world." Yare Tiva, warden of Gramur forest