The finer details of what exactly will be in those bundles hasn't been revealed, however, regular MTG bundles tend to include booster packs and accessories, among other things
Also note that his -X can be used immediately, or later, to take out planewalkers or dorks early, using his high loyalty for good effect
Sorry Skithiryx, the Blight Dragon, you cant regenerate through this one
I think both are fantastic Commander cards, and ones here to stay
Its not surprising to see a new charm in Grixis colorsweve gotten tricolor charms in every tricolor set (aside from Ikoria which had the Emergent Ultimatum cycle)though its impressive how different is from its forebears
Another sick way to trigger those 7+ cast effects