Ravaging Riftwurm | Magic: The Gathering
Formats Ravaging Riftwurm is Legal in
Official Oracle Text for Ravaging Riftwurm
Vanishing 2 (This permanent enters the battlefield with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
If Ravaging Riftwurm was kicked, it enters the battlefield with three additional time counters on it.