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Best Green Card: Delighted Halfling Yes, I know

Sergeant John Benton I wouldnt normally look to a Selesnya commander for hard card advantage, but Sergeant John Benton fits the bill

These components are generally on par with other preconstructed Commander decks, but the box is an improvement so gets a 4/5

My preferred method for using Nevinyrral to create an instant army is finding a way to give it Flash through effects like Leyline of Anticipation or Vedalken Orrery so you can cast it on someone elses turn, then bring it out in response to another players board wipe

Killian also draws you a card whenever you attack with one or more creatures enchanted by auras