Marshal's Anthem [Commander 2014]

Set: Commander 2014 Type: Enchantment Rare Cost: {2}{W}{W} Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.) Creatures you control get +1/+1. When Marshal's Anthem enters the battlefield, return up to X target creature cards from your graveyard to the battlefield, where X is the number of times Marshal's Anthem was kicked.