Color: White Card Text: Flying , vigilance Echo 2WW (At the beginning of your upkeep if this came under your control since the beginning of your last upkeep sacrifice it unless you pay its echo cost.) Rarity: R Cost: 2WW Pow/Tgh: 3/4 Card Type: Creature - Angel Artist: Matthew Wilson Name: Herald of Serra Finish: Regular Card Number: 17/335 Set Name: Urza's Saga