pokemon poliwrath card - 25/108 - Evolutions shuffle this Pokémon and all attached cards into your deck.) Poliwrath Card Prices & Value

Then, shuffle your deck

Damage cant be prevented. This ability shuts down some of the most common defensive strategies in Commander

It also does work in the occasional Mill deck

But Im sure there are a few MTG cards that double your life total

Heres the most recent list Ive been using: Creatures (36) 4 Ash Zealot 4 Gore-House Chainwalker 4 Rakdos Cackler 4 Burning-Tree Emissary 3 Legion Loyalist 4 Firefist Striker 4 Foundry Street Denizen 4 Boros Reckoner 1 Pyrewild Shaman 4 Rubblebelt Maaka Lands (18) 18 Mountain Spells (6) Sideboard This maindeck is fairly typical, though most decks eschew the Pyrewild Shaman for a fourth Legion Loyalist and many run additional copies of Dynacharge