Killian, Decisive Mentor {1}{W}{B}
Legendary Creature — Human Warlock
Identity
Orzhov
EDHREC rank
#7,109
Cheapest printing
US$0.78
TCGplayer
Printings
1
Whenever an enchantment you control enters, tap up to one target creature and goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)
Whenever one or more creatures that are enchanted by an Aura you control attack, draw a card.
Keywords: goad
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.