Go-Shintai of Lost Wisdom {1}{U}
Legendary Enchantment Creature — Shrine
BlueCommander: legal
Identity
Blue
EDHREC rank
#6,154
Cheapest printing
US$0.23
TCGplayer
Printings
1
Flying
At the beginning of your end step, you may pay {1}. When you do, target player mills X cards, where X is the number of Shrines you control. (To mill a card, a player puts the top card of their library into their graveyard.)
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.