The other side, Ritual Chamber, is much simpler
They were the last cards to be revealed, and even the symbol was hidden until Gen Con 2023
That token isn't "created" and won't interact with abilities that care about tokens being created
Rather, a second "reflexive" ability triggers when its last ability resolves for the third time in a turn
Ulamog, the Infinite Gyre I only cut Ulamog from my decks when I find it very important to keep my graveyard unshuffled, such as with my current love (Glissa, the Traitor)
Toluz, Clever Conductor The way you maximize Toluz, Clever Conductor is to have a bunch of draw and discard effects, which are plentiful in blue, or discard abilities in black