Some cards will randomly mention this strange mechanic and require interacting with it to make them reach their full strength, and it's actually a lot more straightforward than you would first think
Modern Horizons 2 , while being newer, contains quite a few powerful cards as well as the distinction of being a premium product with a higher inherent price point
For that reason, I think Eshki is the optimal Commander for the deck, but its close enough that I wouldnt fault anyone for going with Ureni instead
1 Dictate of the Twin Gods
But Lightning Bolt was not to be, after Fourth Edition it wasnt resurrected until Magic 2010
So, cards like Insurrection become absurd card advantage engines when used alongside Edea and a free sacrifice outlet