Other effects that make opponents draw cards, while also benefitting you, like Faerie Mastermind, and even Secret Rendezvous work great in this deck
Gandalf the White Gandalf the White is a nice addition to both Teysa Karlov and Elesh Norn, Mother of Machines decks, but I think theres a decent build of this Mithrandir as a commander of the kind of deck where you run Teshar, Ancestor's Apostle
Reveillark is a very strong card, and while this isnt quite on that level, it still has potential as a combo piece in Standard (unlikely) and Modern (slightly more likely)
Once trapped for thousands of years, The eldrazi Titans have broken their bonds and now their numberless spawn begin to overrun zendikar
(Exerted cards were used the previous turn which means they end up sideways.) Set Check for effects that happen at the start of your turn and follow their instructions
[-3]: Chandra, Torch of Defiance deals 4 damage to target creature