You can't use them in tournaments
Some OP-11 cards have had supply changes since initial release
Weve heard far too many stories here at Card Gamer of people losing, disposing of or damaging cards that can sometimes be sold for much higher values than they were purchased for, so wed highly recommend keeping an eye on the cards your child has and making sure that the most valuable (or the ones that have the most potential value, usually determined by their rarity) are taken care of
Another commander that cares about how many times youve recast it from the commander zone, Marath, Will of the Wild has the potential to be a threat in the early, mid, and late game
Cards in the graveyard are a finite resource, but they're built up over time like mana
Izzet Affinity is the best version of Affinity in Modern, so I started there with my core cards