Amy Pond {2}{R}
Legendary Creature — Human
RedCommander: legal
Identity
Red
EDHREC rank
#13,785
Cheapest printing
US$0.33
TCGplayer
Printings
4
Partner with Rory Williams (When this creature enters, target player may put Rory into their hand from their library, then shuffle.)
Whenever Amy Pond deals combat damage to a player, choose a suspended card you own and remove that many time counters from it.
Doctor's companion (You can have two commanders if the other is the Doctor.)
Keywords: partner with, partner, doctor's companion
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.