Gogo, Mysterious Mime {3}{R}
Legendary Creature — Wizard
RedCommander: legal
Identity
Red
EDHREC rank
#2,528
Cheapest printing
US$1.04
TCGplayer
Printings
3
At the beginning of combat on your turn, you may have Gogo become a copy of another target creature you control until end of turn, except its name is Gogo, Mysterious Mime. If you do, Gogo and that creature each get +2/+0 and gain haste until end of turn and attack this turn if able.
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.