Aboshan, Cephalid Emperor {4}{U}{U}
Legendary Creature — Octopus Noble
BlueCommander: legal
Identity
Blue
EDHREC rank
#19,948
Cheapest printing
US$0.43
TCGplayer
Printings
2
Tap an untapped Octopus you control: Tap target permanent.
{U}{U}{U}: Tap all creatures without flying.
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.