Those are not characteristic-defining abilities, and that ability doesn't change its base power and toughness
Connecting with Tadeas (or another, typically low-powered reach creature) wont be a huge threat, but it allows you to control the pace of the game by drawing cards and defending yourself on your own terms
On top of those choices, theres a great selection of cards that could be played for value o as hate cards, including but not limited to: After sorting everything out, what are we getting is a card advantage, a chance at creating uncounterable threats, a tutor, and potentially an extra mana (had we tutored a one-cost card)
Get MTG Animated Army Commander deck Bloomburrow Commander deck: Peace Offering Ms
Perhaps the strategy will become clearer as more cards are revealed