The Stranger, Forgotten

The Stranger enters the battlefield with 24
Remina counters on it and each player loses 2 life.
Ward {4}. The Stranger can't attack.
At the beginning of your end step, you may
mill up to 5 cards. Each opponent mills that
many cards.
Whenever you cast an instant or sorcery remove
Remina counters from The Stranger equal to the
amount of mana spent to cast it.
If there are 4 or less Remina counters on The
Stranger, transform it. You gain 4 life.