You do need to make sure you don't have a high curve and/or some ways to gain life, but the fact you get these two bodies that draw you cards means even one removal spell isn't going to prevent you from outcarding your opponent
This is a nice example of a typical midrange deck and how it should perform
What youre gifting is a card, sure, but in Commander, that gift comes with an unspoken (or spoken, depending on your attitude) promise attached to it: that your back will get scratched later, too
The extra life trigger gives you a small, but welcome, life buffer that adds up over a long game
The face and alternate commanders use the profile art treatment
You pay a single red mana to put a creature onto the battlefield attacking with haste, which can be game over depending on what you have in hand