Consuming Aberration

Mana cost: {3}{U}{B}
Type: Creature — Horror
Power / toughness: * / *
Set: Gatecrash Promos #152★ (rare)

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.
Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Consuming Aberration has 12 printings, first in Gatecrash (2013). EDHREC ranks it #1,619 among Commander cards. It appears most in Captain N'ghathrod decks (17,841 on EDHREC). 4 public decks on TCG run it. It has 3 official rulings.

Legality

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

Public decks that run Consuming Aberration

Entropic Uprising - Commander 2016, led by Yidris, Maelstrom Wielder
Mind Flayarrrs - Commander Legends: Battle for Baldur's Gate, led by Captain N'ghathrod
Sneak Attack - Zendikar Rising Commander, led by Anowon, the Ruin Thief
Sultai Arisen - Tarkir: Dragonstorm Commander, led by Teval, the Balanced Scale

Commanders that run Consuming Aberration most

Deck counts from EDHREC.

Captain N'ghathrod: 17,841 decks
The Wise Mothman: 9,158 decks
Umbris, Fear Manifest: 6,453 decks
Anowon, the Ruin Thief: 3,628 decks
The Mimeoplasm: 3,382 decks
Saruman of Many Colors: 3,307 decks
Tasha, the Witch Queen: 3,260 decks
Lazav, Dimir Mastermind: 2,310 decks

Often played with Consuming Aberration

Cards that show up in the same decks on EDHREC.

Rulings

2024-11-08: An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack without resolving.
2024-11-08: The ability that defines Consuming Aberration's power and toughness works in all zones, not just the battlefield.
2024-11-08: If an opponent has no land cards in their library, all the cards from that library will be revealed and put into their graveyard.