Phantom

Flying, Lifelink, Cumulative upkeep—Pay 1 life.
When Phantom deals combat damage to a player,
if it has three or more age counters on it, that
player loses the game. Reverse the turn order.
Remove all time counters from Phantom: It's
controller gains X life and draws X cards, where
X is the number of age counters removed this
way, then takes an extra turn after this one.
Only opponents may activate this ability.