One of the first decks I ever built was Zedruu the Greathearted thanks to the very first wave of Commander decks from all the way back in 2011
Full-art seasonal basic lands can be found in Play Boosters and Collector Boosters in both non-foil and traditional foil
Without other planeswalkers, though, Nicol Bolas, Dragon-God isnt quite worth the squeeze
That means you dont have to feel bad about throwing it in your graveyard and choosing another Bird to put into your hand
The only downside for Zareth is if you want to use its second ability, you have to somehow get it into your hand, which can be done with ninjutsu cards like Prosperous Thief, trading them back and forth from your hand
If Alibou leaves the battlefield, artifact creatures you control lose haste