Strength is on the left, outlined in a spiky ring, and indicates the amount of damage it can deal
I would typically do the same with Dryad Arbor keeping an uncracked fetch in play so I can find the Dryad Arbor when it's time to cast Natural Order or if you need a blocker at a push
Boros Charm I already noted in my red Foundations list that aggro/burn are viable strategies, and this card sees play in those types of lists
The rule also applies to MDFC lands, provided that you play the land side and not the spell side
Commanding Conclusion Rowan, Scion of War | Illustration by Magali Villeneuve Though Wilds of Eldraine doesnt have nearly as many new viable commanders as some other recent sets, this is definitely an example of quality over quantity
You have to hope the consistency you give up gets offset by the value of beginning every game with a Dualcaster Mage in hand