Curse of Shallow Graves

Mana cost: {2}{B}
Type: Enchantment — Aura Curse
Set: The List #C13-71 (uncommon)
Price: $0.27 USD

Enchant player
Whenever a player attacks enchanted player with one or more creatures, that attacking player may create a tapped 2/2 black Zombie creature token.

Curse of Shallow Graves has 2 printings, first in Commander 2013 (2013). EDHREC ranks it #10,874 among Commander cards. It appears most in Lynde, Cheerful Tormentor decks (4,119 on EDHREC). 3 public decks on TCG run it. It has 5 official rulings.

Legality

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

Public decks that run Curse of Shallow Graves

Eternal Bargain - Commander 2013, led by Oloro, Ageless Ascetic
Mind Seize - Commander 2013, led by Jeleva, Nephalia's Scourge
Power Hungry - Commander 2013, led by Prossh, Skyraider of Kher

Commanders that run Curse of Shallow Graves most

Deck counts from EDHREC.

Often played with Curse of Shallow Graves

Cards that show up in the same decks on EDHREC.

Rulings

2013-10-17: Curse is an enchantment type, not a creature type (or any other kind of subtype).
2013-10-17: Each of the Curses can be attached to any player, including the player who cast the Curse.
2013-10-17: A Curse spell targets the player it will enchant like any other Aura spell, and a Curse stays on the battlefield like any other Aura. If the enchanted player gains protection from the Curse’s color (or any other characteristic the Curse has), the Curse will be put into its owner’s graveyard.
2013-10-17: The ability won’t trigger when a creature attacks a planeswalker controlled by the enchanted player.
2013-10-17: The Curse subtype has no inherent rules meaning, but two cards in the Innistrad set (Bitterheart Witch and Witchbane Orb) refer to Curses.