Also, as I'm assuming we're playing with the 40-life totals I understand to be the norm in EDH, I'd like to suggest a house-rule amendment to modify set-life totals for cards like Sorin Markov(his -3 ability), Serra Ascendant, Felidar Sovereign, Test of Endurance, and any others anyone can think of(some of these, notably Test of Endurance, may already appear on the banned list; I haven't looked thoroughly). I just feel like if we're starting with 40 life, if you slap down Felidar Sovereign(which would win you the game), that screws up game balance. Why WotC hasn't written more of these cards to reflect total life differences in games like EDH and Two-Headed Giant, I'll never know, but I think that the spirit in which they are played needs to be reflected(like Chalice of Life, they got that one right for any format). Sorin's -3 should "reduce opponents to 1/2 of original life total", Serra Ascendant should activate at "+10 starting life", Felidar Sovereign should "win when starting life is doubled", and Test of Endurance should be "win when starting life is doubled +10". I'm sure there are others, but these cards immediately jump to mind. Alternately, I think we should just start out with 20 life as per the norm. I'm not sure why there is the difference in EDH(I assume flavour on the Commander's part, and to lengthen interactive game sessions in a casual format), and being new to the format, how it affects game balance.
I simply point it out because in the 5ish running lists I have for Human Tribal decks, Serra Ascendant has appeared a couple of times(I've played and had success with life-gain decks, and so I'm inclined to stick to what I know - besides, Human flyers are kind of a pain in the ass to come up with).