1996 mtg world champion card 11 Rarest Magic Cards Ever Made 1996 World Champion | Magic:

With that out of the way, lets look at the list

Once on the board, their abilities allow them to generate massive amounts of momentum while protecting each other from opposing challenges

Having a second Volo when your Mirror Image original (not the copy) enters won't do anything because it's not being cast, it's entering the battlefield

Hoarding Broodlord is another excellent choice because when it ETBs, you can search up Reanimate and tap the Broodlord itself to cast it and get another Creature (almost) for free

Eris, Roar of the Storm Eris, Roar of the Storm might as well have come from Tarkir for all the dragons that come from its thunderclouds