Howling Mine

Mana cost: {2}
Type: Artifact
Set: Limited Edition Alpha #247 (rare)

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Howling Mine has 32 printings, first in Unlimited Edition (1993). EDHREC ranks it #723 among Commander cards. It appears most in Nekusar, the Mindrazer decks (22,182 on EDHREC). 3 public decks on TCG run it. It has 4 official rulings.

Legality

commander: legal
legacy: legal
vintage: legal
pauper: not legal
modern: legal
pioneer: not legal
standard: not legal
brawl: legal

Public decks that run Howling Mine

Federation Fleet - Star Trek Commander, led by Jean-Luc Picard, Luminary
Political Puppets - Commander 2011, led by Zedruu the Greathearted
Stalwart Unity - Commander 2016, led by Kynaios and Tiro of Meletis

Commanders that run Howling Mine most

Deck counts from EDHREC.

Nekusar, the Mindrazer: 22,182 decks
Kynaios and Tiro of Meletis: 9,294 decks
Xyris, the Writhing Storm: 9,029 decks
Sheoldred, the Apocalypse: 8,653 decks
Urza, Lord High Artificer: 7,088 decks
Ms. Bumbleflower: 5,407 decks
Kwain, Itinerant Meddler: 4,817 decks
Ian Malcolm, Chaotician: 4,708 decks

Often played with Howling Mine

Cards that show up in the same decks on EDHREC.

Rulings

2004-10-04: If Howling Mine leaves the battlefield before it resolves, then the last known tap or untap state of the card is used for resolution.
2004-10-04: The additional draw is separate from any other draw during your draw step. It happens when the triggered ability resolves.
2004-10-04: It does not trigger at all if this is tapped at the start of the draw step, and it checks this again on resolution.
2013-04-15: The triggered ability is put onto the stack after you have already drawn your card for the turn.