Franklin Richards, Ascendant {5}{R}
Legendary Creature — Mutant Hero
RedCommander: legal
Identity
Red
EDHREC rank
#14,178
Cheapest printing
US$0.24
TCGplayer
Printings
3
At the beginning of combat on your turn, if you've cast a noncreature spell this turn, discover 6. (Exile cards from the top of your library until you exile a nonland card with mana value 6 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Keywords: discover
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.