Sandstone Oracle

Mana cost: {7}
Type: Artifact Creature — Sphinx
Power / toughness: 4 / 4
Set: Iconic Masters #227 (uncommon)
Price: $0.30 USD

Flying
When this creature enters, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Sandstone Oracle has 10 printings, first in Commander 2015 (2015). EDHREC ranks it #4,123 among Commander cards. It appears most in Tannuk, Steadfast Second decks (5,939 on EDHREC). 5 public decks on TCG run it. It has 2 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 Sandstone Oracle

Call the Spirits - Commander 2015, led by Daxos the Returned
From Cute to Brute - Secret Lair Drop, led by Esika, God of the Tree // The Prismatic Bridge
Land's Wrath - Zendikar Rising Commander, led by Obuun, Mul Daya Ancestor
Wade into Battle - Commander 2015, led by Kalemne, Disciple of Iroas
Wade into Battle - Commander Anthology Volume II, led by Kalemne, Disciple of Iroas

Commanders that run Sandstone Oracle most

Deck counts from EDHREC.

Tannuk, Steadfast Second: 5,939 decks
Rakdos, Lord of Riots: 2,659 decks
Herigast, Erupting Nullkite: 2,248 decks
Dack Fayden, Helping Hand: 1,952 decks
Sami, Wildcat Captain: 1,367 decks
Belbe, Corrupted Observer: 1,366 decks
The Capitoline Triad: 888 decks
Chiss-Goria, Forge Tyrant: 838 decks

Often played with Sandstone Oracle

Cards that show up in the same decks on EDHREC.

Rulings

2020-11-10: You choose an opponent while Sandstone Oracle's ability is resolving. No player may take actions between the time you make this choice and the time you draw cards.
2020-11-10: To draw cards equal to the difference, first determine how many cards you'll draw, then draw that many cards, as modified by replacement effects. For example, if you have two cards in hand and the chosen opponent has five, Thought Reflection will cause you to draw six cards instead of three.