Mastering the Stack: Timing with Conundrum Sphinx

Mastering the Stack: Timing with Conundrum Sphinx

In TCG ·

Conundrum Sphinx card art

Image courtesy of Scryfall.com

Stacking Wisdom: Timing and Mind Games with Conundrum Sphinx

Blue magic has long thrived on precision, tempo, and the power to bend the rules of the stack. Enter Conundrum Sphinx, a rare from Commander 2018 that embodies the cerebral thrill of blue: a 4/4 flyer for a modest {2}{U}{U}, with a sentence-long paradox baked into its very ability. Its presence on the battlefield signals a game of timing and prediction, where every attack becomes a mini-game about who controls the order of operations. If you relish the art of the sequence, Conundrum Sphinx is a delightful drill sergeant for your next blue-heavy strategy 🧙‍♂️🔥💎.

The Trigger: What happens when this sphinx wings in

Flying is just the surface. The real equation is on the stack.

When Conundrum Sphinx attacks, its triggered ability goes on the stack: each player names a card. Then, each player reveals the top card of their library. If the revealed card matches the name they chose, that player puts it into their hand; otherwise, it goes to the bottom of their library. The result is a delicate dance of tempo, predictability, and a little bit of luck. Since the effect happens on attack, you’re choosing timing before combat damage—meaning you can influence what your opponent will see on their turn and how the remainder of the stack resolves. It’s a wonderful playground for players who love reading the table, not just their own cards 🧭🎲.

Because this is a triggered ability, you’ll often see it paired with other timing-savvy tools. Counterspells, bounce effects, or utility cantrips give you a chance to arrange what you’ll name, or to shape what top cards are available to the table. If you’ve assembled a blue control shell, Conundrum Sphinx becomes a metagame accelerator: you craft the dialogue on the stack, while your opponents try to anticipate your next move 🔄⚡.

Strategic angles: when to attack, what to name, and how to leverage top-deck leverage

  • Name with intention: You don’t have to name a card you already own. Instead, think about what you expect your opponent to name and what you want to draw next. If you’re playing a deck that thrives on card advantage, you can name a card you’d love to draw that turn, hoping your top of library aligns. If you’re worried about the math, name something that your opponent is unlikely to reveal—this keeps your own top card sequences intact as you navigate the turn. 🧠
  • Pair with top-deck tutors and manipulation: Cards like Ponder, Preordain, or Predictive options (plus Future Sight for long-term planning) let you steer your topdeck outcomes across turns. Your goal is to increase the odds that the top card of your library lines up with the name you choose, turning a luck-based trigger into a probabilistic engine. The more you tilt the top of your deck, the more comfortable you’ll be when Conundrum Sphinx attacks and starts naming cards for both players. 🎯
  • Tempo vs. value: The activated ability sits on the stack, which means players can respond with instants and auras before the reveals happen. If you’re in a tempo shell, you might use the trigger to force your opponent into a tight decision loop—do they name something that will actually help them draw, or something that will backfire when their top reveals don’t match? The stack becomes a chessboard, and Conundrum Sphinx is your knight, jumping between threats and responses 🥷⚔️.
  • Artifact and draw synergies: Blue decks that lean on card draw and library manipulation enjoy a natural synergy with Sphinx’s effect. When you can confidently draw into a needed answer on your own turn, and still pressure your opponent with the name-and-reveal dynamic, you create a metagame where you’re always one step ahead. The card’s 4/4-flight also ensures you’re not just milling games—your presence in the skies forces respect and attention 🕊️💨.

Deckbuilding notes: what to pair with Conundrum Sphinx

The Commander 2018 era was a fertile ground for blue strategies that prize long-term inevitability. Conundrum Sphinx shines in decks that blend counter magic, card draw, and top-deck manipulation. Think of a blueprint like this:

  • Core engine: Counterspell, Force of Will, and other permission spells to keep the board clear while you set up the stack. The key is to keep Conundrum Sphinx alive long enough to attack and trigger the mind-bending naming ritual. 🧙‍♂️
  • Top-deck control: Brainstorm, Ponder, Preordain, and Sensei’s Divining Top help you sculpt your top cards, increasing the odds that your named card or your opponent’s will turn up when revealed. A well-timed Brainstorm can tilt a single reveal in your favor. 🎨
  • Supportive effects: Effects that shuffle, rearrange, or reveal information mid-combat can turn Conundrum Sphinx into a consistent threat. Mind games aside, this is still a 4/4 flier for four mana, so don’t neglect the raw stat value when the board state is quiet 🔎💎.
  • Deck archetypes: Classic Blue-leaning control, tempo shells, or even a dank mix with Commander staples. The card’s color identity is blue, so plan your mana base to sustain multiple spells per turn and keep the door open for the Sphinx to attack again in follow-ups.

Art, flavor, and why it resonates

Conundrum Sphinx bears the famous blue mythic vibe—an enigmatic predator of the skies with a texture of cunning and foresight. Michael Komarck lends a painterly, otherworldly quality to the art, and the Commander 2018 frame tucks it neatly into the blue sphinxes of legend. The flavor text and silhouette invite players to consider how knowledge and prediction shape outcomes on a battlefield where every decision ripples through the stack like a careful ripple in a crystalline pool. For fans of MTG lore, it’s a reminder that in blue, your best weapon is thinking several steps ahead, while your most spectacular spell might be a perfectly timed attack that flips the top cards of fate 🧙‍♀️🌀.

While Conundrum Sphinx isn’t the most contested centerpiece in every modern meta, it’s a powerful reminder that timing—more than raw power—drives modern blue strategies. The card challenges players to think about ordering, anticipation, and the inverse of luck: probability crafted through knowledge of your own deck and your opponent’s tendencies. And because it’s a rare from a Commander-centric set, it remains a collectible conversation piece, often found in sleeves that sparkle with nostalgia as much as with strategy 🔮💫.

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Conundrum Sphinx

Conundrum Sphinx

{2}{U}{U}
Creature — Sphinx

Flying

Whenever this creature attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.

ID: 2905cea6-77cb-4d9b-93f4-e22211af25e1

Oracle ID: fb1bd39c-c870-4f63-9e4f-32c94ac46555

Multiverse IDs: 451039

TCGPlayer ID: 171444

Cardmarket ID: 362053

Colors: U

Color Identity: U

Keywords: Flying

Rarity: Rare

Released: 2018-08-10

Artist: Michael Komarck

Frame: 2015

Border: black

EDHRec Rank: 15864

Penny Rank: 14485

Set: Commander 2018 (c18)

Collector #: 84

Legalities

  • Standard — not_legal
  • Future — not_legal
  • Historic — not_legal
  • Timeless — not_legal
  • Gladiator — not_legal
  • Pioneer — not_legal
  • Modern — legal
  • Legacy — legal
  • Pauper — not_legal
  • Vintage — legal
  • Penny — legal
  • Commander — legal
  • Oathbreaker — legal
  • Standardbrawl — not_legal
  • Brawl — not_legal
  • Alchemy — not_legal
  • Paupercommander — not_legal
  • Duel — legal
  • Oldschool — not_legal
  • Premodern — not_legal
  • Predh — legal

Prices

  • USD: 0.23
  • EUR: 0.17
Last updated: 2025-11-17