Emperor Mihail II {1}{U}{U}
Legendary Creature — Merfolk Noble
BlueCommander: legal
Identity
Blue
EDHREC rank
#4,246
Cheapest printing
US$0.37
TCGplayer
Printings
3
You may look at the top card of your library any time.
You may cast Merfolk spells from the top of your library.
Whenever you cast a Merfolk spell, you may pay {1}. If you do, create a 1/1 blue Merfolk creature token.
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.