This can be a more consistent method of benefitting from paying life, and it can also easily help you eliminate other players with commander damage
If you drew from other sources, you can choose to put those back instead of paying life
when its defence hits 0, it exiles and you cast its back face for free
It taps to add one colorless mana and also has an ability for three colorless mana and tapping to draw a card, but you can only activate this if you control a creature with power 4 or greater
First, Chapter I lets you choose the most threatening noncreature artifact from each player to turn into a 0/4 Wall artifact creature with defender in the hopes that, once Chapter III comes around, you will destroy all of them (along with any other Walls around)
You cant contain the sheer value generated by the Beef Whistle