When this creature enters, return a permanent you control to its owner's hand.

Whenever this creature or another Ally you control enters, target player mills X cards, where X is the number of Allies you control.

Flying

Whenever this creature or another Ally you control enters, you may gain life equal to the number of Allies you control.

Whenever another blue creature you control enters, target player mills two cards.

Enchant player At the beginning of enchanted player's upkeep, that player mills two cards.

Counter target spell.

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

({T}: Add {U}.)

({T}: Add {W}.)