For each flip you lose, this creature deals 3 damage to that player
It won't be too difficult to cast this spell using convoke to spend little or no mana and it allows you to keep permanents such as Smothering Tithe or Rhystic Study on the board to keep putting in work while phasing out other things that you need to protect from removal or limited sweepers that won't hit certain permanent types
The second best card in one of the best sets of all time was Heroes' Reunion
Then, every time it takes damage (read: fights any creature with power greater than 0), it fights another creature
Sephiroth, Fabled Soldier Decks making use of aristocrats (sacrificing your own creatures) strategies will love this Sephiroth who combines Village Rites type effect with Blood Artist, and then caps it off with a powerful One-Winged Angel form
For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Sin's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature
