
Science Teacher — Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of Saga spells become tokens.)
Doctor's companion (You can have two commanders if the other is the Doctor.)
Ian Chesterton has 4 printings, first in Doctor Who (2023). EDHREC ranks it #13,470 among Commander cards. It appears most in Sigurd, Jarl of Ravensthorpe decks (1,149 on EDHREC). 1 public deck on TCG runs it. It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.