The creature token can be sacrificed for immense value, even enabling an infinite combo win
Should I need a card from that box, I write down which card, for what purpose and what date and put the paper back
They won't mind this in 40-life formats like Commander early or midgame, and they can draw answers to it when it becomes an issue and as your Commander you don't have access to Blue for countering their answers
It doesn't need to hit a player either so, short of a removal spell, there's not much you can do to stop it ticking up
So Cabal Coffers, Urborg, Gaeas Cradle, Field of the Dead even Glacial Chasm
10 cards per pack Rarities Leader x1 Common x23 Uncommon x25 Promotion Card x4 Rare x21 Super Rare x27 Secret Rare x8 DON