how to build an mtg commander deck a How to Build a Commander

As long as you don't control three or more permanents owned by other players, it is simply an enchantment

I used to play him alongside Ball Lightning in my red aggro deck, although that deck would probably have been better without him

I love the story of this card because he's so fearsome in the art, but what he does in the game is [run away]...This is a great example of combining the character [lore] with a fun card, Ryan Miller Kim adds that Rexs card also features Woody and Buzz glimmers in the background, protected by their fearsome Bodyguard

Pound for pound, one mana for a 2/1 creature with no drawbacks can't be beat