holy cow mtg card Magic The Gathering - Outlaws of Thunder Junction - You may put that card on the bottom.) Dairy Cow - Mystery Booster

Immediately after the card came out I wrote a comprehensive article-length write-up on this version of FOW

24 DRAFT BOOSTERS

If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield

Card draw is one of the essential pillars of any Commander deck

Beatrix, Loyal General Coeurl Ice Flan Omega, Heartless Evolution Sephiroth, Planet's Heir Shiva, Warden of Ice Summon: Alexander Summon: Shiva Tidus, Blitzball Star Ultima, Origin of Oblivion Ultimecia, Temporal Threat Ultros, Obnoxious Octopus Yiazmat, Ultimate Mark

It also makes it easier to take the Monarch back, which is not always the case