indestructible adds:
Cascading Cataracts, [sneaky] Plaza of Heroes, skyclave relic, Tamiyo's Safekeeping, Toski, Bearer of Secrets, {sneaky} Inspiring Call, tyvvar's stand, Gaea's Gift, Withstand death


If setup: turn 4 chain of acid/smog on indestructible land after witherbloom apprentice is out. Win

Win Combo(s):
1: Witherbloom Apprentice or Professor Onyx on the field + an indestructible permeant (land/artifact) + cast Chain of Acid on indestructible permeant causing Witherbloom Apprentice's Magecraft to trigger (gain 1 life, opponents loose 1 life). Since the target was our own item, we can copy and repeat the cycle for infinite magecraft triggers, +1 life gain triggers, and -1 opponent life triggers.


Added Exquisite Blood:
Combos with Dina's/Vito's/Sanguine Bond's ability:
Whenever dealing any damage or life loss to an opponent, Exquisite Blood's ability will trigger, gaining you +1 life. Then Dina/Vito/Sanguine Bond's ability will trigger, causing the opponent to lose 1 life. This will trigger Exquisite Blood's ability again, making you gain 1 life, generating an infinite loop.

Simple trigger for life gain win combo, Mana confluence, Talisman, and City of Brass for tap to 1 point of damage and start the damage/life gain combo (thanks Nick).

Staff of Domination in play plus:
Accomplished Alchemist - You need to gain at least 5 life for this combo to work. Tap Accomplished Alchemist to add 5 mana. Use 3 mana to untap Accomplished Alchemist with Staff of Domination, pay 1 mana to untap Staff of Domination, repeat the process to get infinite mana. With infinite mana, you have infinite draw and infinite life with Staff of Domination.

Circle of Dream Druid - Infinite green mana, Infinite lifegain, Infinite lifegain triggers, Infinite card draw (Look for Aetherflux Reservoir to -50), Infinite draw triggers
Infinite untap of creatures you control
https://commanderspellbook.com/combo/10618/

Buying:

Add Jarad and Phyrexian Devourer:
Activate the Phyrexian Devourer's ability until its death trigger is put on the stack. Hold priority and keep activating the Phyrexian Devourer's ability until its power is greater than your opponents' life totals. Pay 1BG, sacrifice Phyrexian Devourer with Jarad and win the game.

Add Marwyn, the Nurturer power up to 5/5
https://commanderspellbook.com/combo/10614/

Add Selvala, Heart of the Wild
You need a creature with power 6 or greater to use this combo. Tap Selvala to add 6 mana. Pay 3 mana to untap Selvala with Staff of Domination, then pay 1 mana to untap it. Repeat the process for infinite mana. With infinite mana, you can draw your entire deck with Staff of Domination.

Add Cabal Coffers/Magus of the coffers + 7 swamps or Rofellos, Llanowar Emissary +7 forests:
Pay two mana and tap Magus of the Coffers to add seven mana, Pay 3 mana to untap Magus of the Coffers with Staff of Domination, Pay 1 mana to untap Staff of Domination, Repeat the process for infinite mana. With infinite mana, you have infinite draw from Staff (5) and infinite life (2).

Possible adds:

Wall of Blood +1/+1 for 20 life lost, then Dina lose 20 life sac it win the game.
Mausoleum Secrets budget tutor that is good
Dread Return reanimate 2ce. 2nd is *free well kinda.

Perfect Fit Lands: Bayou, All fetches, Leechridden Swamp (t), Overgrown Tomb (2 or t).