Calciderm

Calciderm

Creature - Beast | Power/Toughness: 5 / 5 (CMC 4)
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.)