Sphinx of the Revelation does not have summoning sickness.
You have at least ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) .
You control a mana-producing permanent that can tap to produce at least ({W} magic symbol) and a mana-producing permanent that can tap to produce at least ({U} magic symbol) .
Activate Sphinx of the Revelation by paying ({W} magic symbol) ({U} magic symbol) ({U} magic symbol) , tapping it and paying at least ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) , causing you to draw at least four cards.
Shabraz triggers for each card drawn this way.
Resolve the first Shabraz trigger, causing you to gain 1 life and putting a +1/+1 counter on Shabraz.
Sphinx of the Revelation triggers, causing you to get ({E} magic symbol) .
Repeat from step 3 for each remaining Shabraz trigger.
Activate Mind Over Matter by discarding a card, untapping Sphinx of the Revelation.
Activate Mind Over Matter by discarding a card, untapping a mana-producing permanent that can produce at least ({W} magic symbol) or ({U} magic symbol) .
Activate the permanent by tapping it, adding at least ({W} magic symbol) or ({U} magic symbol) .
Repeat from step 7 until you have ({W} magic symbol) ({U} magic symbol) ({U} magic symbol) available.
Repeat from step 1.
You may pay additional ({E} magic symbol) if able to net near-infinite card draw.
Results
Infinite self-discard triggers.
Near-infinite lifegain.
Near-infinite lifegain triggers.
Infinite draw triggers.
Near-infinite +1/+1 counters on Shabraz.
Near-infinite card draw.
Near-infinite looting.
Near-infinite untap of permanents you control.
Near-infinite mana permanents you control can produce.