Brawn, Amadeus Cho {1}{G/U}
Legendary Creature — Gamma Scientist Hero
Identity
Simic
EDHREC rank
#22,130
Cheapest printing
US$0.25
TCGplayer
Printings
1
When Brawn enters, draw a card.
Power-up — {4}{G/U}: Put a +1/+1 counter on Brawn for each card in your hand. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)
Keywords: power up
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.