After this phase, there is an additional combat phase.Choose a Background (You can have a Background as a second commander.) P/T Set Number 400 Language Italiano Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (6/10/2022) Notably, the triggered ability of Karlach doesn't give you any additional main phases
It doesn't matter why the creature would be destroyed
The coinsmith isn't fighting with Tithe Drinker for a slot, they both belong in the cube together, along with Ajani's Pridemate, Phyrexian Reclamation, Grim Guardian and Flickering Ward
While this isnt The Greatest Card Ever Made in Magic , its pretty saucy
Even in the case that Ojer Taq is removed, you can always bring it back later for half the mana cost assuming it isn't exiled