Arboria [Legends] Mirrodin Besieged 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

You may play it this turn

" —Toshiro Umezawa

Of royal blood among the spirits of the air

Set: League Tokens 2012 Type: Token Creature — Goblin Rarity: Common

Arboria [Legends] Mirrodin Besieged each defending player chooses anySet: Legends Type: World Enchantment Rarity: Uncommon Cost: {2}{G}{G} Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.