Malcolm, Alluring Scoundrel {1}{U}
Legendary Creature — Siren Pirate
BlueCommander: legal
Identity
Blue
EDHREC rank
#1,578
Cheapest printing
US$1.86
TCGplayer
Printings
4
Flash
Flying
Whenever Malcolm deals combat damage to a player, put a chorus counter on it. Draw a card, then discard a card. If there are four or more chorus counters on Malcolm, you may cast the discarded card without paying its mana cost.
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.