We could build around the first ability and just slap some classic two-card infinites in there, but I know thats not going to be the Eisenhorn-centric identity my friend wants his deck to have
In terms of cards, each Doctor Who Commander Deck contains a 100 card, pre-constructed Commander Deck, plus 10 Planechase Cards (which add an extra layer of randomness and special effects to your MTG games, should you choose to use them) and a Collector Booster Sample pack, which contains 2 special alt-frame cards, including 1 Rare or Mythic Rare card
Mirror Entity and Maskwood Nexus If you don't want to bother with naming specific Creature types, or if there's motivation to grant your Creatures all types, there are a couple Changeling-related options
Enter the first Commander product, with its five decks sporting fifteen new legendary creatures totaltwo for each wedge and a cycle of enemy color paired creatures
It allows you to reach buyers in your area, facilitating in-person transactions and avoiding shipping hassles