Im putting Pippin in just about all of my Commander decks that can run him and am tempted (heh) to build a deck with him as my commander
These cards make up a pretty large portion of the deck, but so long as Llanowar Elves, Steel Leaf Champion, Thrashing Brontodon, Thorn Lieutenant, and Ghalta, Primal Hunger remain viable, Mono-Green Steel Leaf Stompy has the strength behind it to survive for another season or two, depending on what Ravnica brings to us.
When they should take damage from a challenge, an effect, or a card they have the amount reduced by the number on the Keyword
There are situations where this white card isnt ideal, like youre getting attacked by three creatures without color overlap, but the pros often outweigh the cons
With a bunch of creatures on the battlefield, a simple pump spell can easily make our army lethal