The Prismatic Piper {5}
Legendary Creature — Shapeshifter
ColorlessCommander: legal
Identity
Colorless
EDHREC rank
#28,458
Cheapest printing
US$0.08
TCGplayer
Printings
3
If The Prismatic Piper is your commander, choose a color before the game begins. The Prismatic Piper is the chosen color.
Partner (You can have two commanders if both have partner.)
Keywords: partner
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.