Calciderm [Planar Chaos]

Set: Planar Chaos Type: Creature — Beast Rarity: Uncommon Cost: {2}{W}{W} Shroud (This creature can't be the target of spells or abilities.) Vanishing 4 (This creature enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)