It's not yet clear how his stats will degrade as he suffers wounds, but this starting profile is considerably more aggressive than that of an equally enormous Imperial Knight
As the damage is dealt, however, the creature with regeneration is tapped, taken out of combat, and has all damage removed from it, thus bringing it back to full health
Summon: Valefor does this with its first chapter then continues the disruption by tapping creatures down
While all of them lost value in the wake of their Masters set reprinting, they all rebounded to far greater heights once demand started to pick up again later
However, as far as first turn plays go, it's still respectable
You may put that card on the bottom.) : Add one mana of any color in your commander's color identity