Vadrik, Astral Archmage {1}{U}{R}
Legendary Creature — Human Wizard
Identity
Izzet
EDHREC rank
#11,800
Cheapest printing
US$0.26
TCGplayer
Printings
5
If it's neither day nor night, it becomes day as Vadrik enters.
Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power.
Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik.
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.