I realise that I have just one 2 drop creature ( Vitu-Ghazi Guildmage ), I have 4 Call of the Conclave for this reason but anyways I think I need more creatures there... Perhaps I gonna substitute something for 2 Gatecreeper Vine .
I think I should put more creatures with reach to defend myself against flying creatures. I don't have that much protection and I don't want to wait for the second turn to put more Aerial Predation on my deck. I need creatures and I need flight defenses so now I need to look for 2~3 drops reach creatures.
I guess that you should remove Doomed Traveler from your deck, bro.