Magic: the Gathering - Datenbank

At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. [i](While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during his or her next untap step.)[/i]  "Fire is dead. Water has killed him."