Archangel Avacyn // Avacyn, the Purifier [Shadows over Innistrad Prerelease Promos] Forest If at least one Zombie

If at least one Zombie card is milled this way

as in this game you hold your cards so that they're visible only to other players

If that land was a snow land

{R}: Dragon Whelp gets +1/+0 until end of turn

Cards not included

Archangel Avacyn // Avacyn, the Purifier [Shadows over Innistrad Prerelease Promos] Forest If at least one ZombieSet: Shadows over Innistrad Prerelease Promos Type: Legendary Creature Angel Rarity: Mythic Cost: {3}{W}{W} Flash Flying, vigilance When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn. When a non Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep. Reverse Type: Legendary Creature Angel Flying When this creature transforms into Avacyn, the Purifier, it