Midnight Reaper is certainly good in the more aggressive-leaning decks I suggested earlier, but when your Reaper is drawing you in to the more expensive, powerful cards that a midrange deck has access to, it is even more potent as a result
EDHRECs Lands Theme page lists 24 of the most popular commanders for the theme, and many others are perfectly viable as well
Knights moving more firmly into a supportable Azorius archetype is an interesting space, especially if youre interested in something like a Knights vs
The copy is created on the stack, so it's not "cast." Abilities that trigger when a player casts a spell won't trigger
Deal it 7000 damage will go onto the stack
Consuming Aberration comes in at the top of the list because it's usually huge, regardless of what turn you play it on