I Really like this deck. Since it isn't Bant (and just doesn't have green in general) you don't need to stuff the deck with only creatures that cost 3 or less for
Collected Company. This opens the deck up to cards like
Gisela, The Broken Blade and
Dragonlord Ojutai. Once Origins and Dragons rotate out, I think you've hit on a really dominant archetype (just find a replacement for Ojutai, maybe Avacyn?).
If you're going for
pure tempo, maybe consider
Unsubstantiate since early on it just sets your opponent back a whole turn, and later on it can be a combat trick to bounce their blocker before attacks.
Also,
Blessed Alliance seems generally better than
Immolating Glare. I know you don't get to chose which attacker dies, but the other modes can be relevant and give nice options (like untapping Ojutai in response to a removal spell, or to
ambush attackers into what they thought was a tapped Gisela). Just something to think about
I hope you found this helpful! Good luck and Happy Hunting