mtg lifelink commander deck How to build a with life cost cards and MtG Kamigawa Neon Dynasty Buckle

An Equipment that's also a creature can't be equipped to anything unless it has the reconfigure ability

That's probably why WotC leaned towards Treasure: Gold allows you to double-dip in case some other effect requires you to tap permanents (because you can tap your Gold to pay for that other effect, and then still sacrifice the Gold for mana in the same turn)

While thats true in Murders at Karlov Manor, one unique thing about in this set is how stacked its multicolor offerings are

For example, if you exile a creature card without flash, you can cast it only during your main phase when the stack is empty

I have to imagine as supply increases