Ive written a lot about Commander and Magic in general so if you want to explore further, the Star City Games article archives have my articles all the way back to January 2000
Green Always Play: Bala Ged Recovery, Tangled Florahedron, Turntimber Symbiosis, Khalni Ambush, Kazandu Mammoth
For six mana it needs to be justified, which with this Heros scaling is certainly justifiable
In either case, no fight will happen and no creature will deal or be dealt damage
I really dislike Jace as a character and Im more than happy to look at Jhoira and Slimefoot while my opponent is making Fact or Fiction piles
I love flying and vigilance, and a 7-power flyer can swing in the air three times for a Commander Damage kill while staying back for blocking, each hit bringing a 14 point life swing