Unless your opponent can exile SInister Concierge, theyll keep coming back repeatedly and taking creatures with them every time they die
Kraul Foragers So far weve only seen undergrowth cards that pay you off by increasing your damage output, but Kraul Foragers reverses that by gaining life instead
Consider it against the card Doran, the Siege Towera card so substantial that whole Extended decks have been built with it as a centerpiece
Beyond that if you were going to experiment to fit your meta or preferences, I'd start here
Obviously, a card thats bent, stained, or damaged will be worth less than one thats never been in a protector since it was pulled from a pack
It's very easy for players to just pay 2 life to attack you with a big creature or a couple of deadly ones, as life in Commander is a less valuable resource than mana as a whole