Both are going to incentive creating tokens, with Peri biasing slightly more towards a go wide strategy and Romana strong, individual threats
Magmakin Artillerist is btrasically the only common that truly rewards the discard theme, pinging your opponent every time you loot or cycle
Pinnacle Kill-Ship is another colorless spacecraft with a lethal enters effect
Summary Grixis offers powerful card draw, control, and removal options for Commander decks
With all that mana, you can commit to some powerful spells, like Farmer Cotton, which creates Food and 1/1 Hobbit tokens equal to the amount of mana you spend on the X cost of its casting cost
Many customers choose store credit to get the most value from their trade-ins when upgrading their gaming setup or growing their collection