Enduring Curiosity

Enchantment Creature — Cat Glimmer

Flash
Whenever a creature you control deals combat damage to a player, draw a card.
When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

CMC
4
Mana cost
{2}{U}{U}
Color identity
U
Rarity
rare
Set
Duskmourn: House of Horror
Price
$10.35
EDHREC rank
#892
Buy on TCGplayer
Enduring Curiosity card art
Enduring Curiosity turns every attacking creature into a draw trigger, making it one of the most efficient card-advantage engines available to blue decks at this cost. Sonic the Hedgehog is the canonical home, but any combat-focused commander that wants to stay gassed through the mid-game should be running this.

Best Commanders

Commanders with the highest synergy

01
Sonic the Hedgehog

Sonic the Hedgehog

65.8% of decks · synergy 0.61

Sonic the Hedgehog's entire game plan is attacking fast and often, so Enduring Curiosity essentially reads 'draw a card each turn you do what you were already doing' — the synergy score of 0.61 and 65% inclusion rate reflect how naturally the two pieces fit together.

02
Zur, Eternal Schemer

Zur, Eternal Schemer

69.1% of decks · synergy 0.61

Zur, Eternal Schemer can tutor enchantments directly onto the battlefield, meaning Enduring Curiosity can come down without ever touching your hand — and once it's out, every swing Zur's enchanted creatures make refuels the engine.

04
Niko, Light of Hope

Niko, Light of Hope

47.5% of decks · synergy 0.42

Niko, Light of Hope generates Shard tokens that want to be sacrificed or attacked with, and Enduring Curiosity converts those combat steps into card advantage before the tokens cycle off.

05
Cynette, Jelly Drover

Cynette, Jelly Drover

46.2% of decks · synergy 0.40

Cynette, Jelly Drover floods the board with Food-adjacent tokens that can swing in, and Enduring Curiosity rewards that horizontal aggression with a steady stream of cards to keep the pressure going.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is the clear home for Enduring Curiosity — longer games mean more combat steps, and more combat steps mean more cards, which compounds into a decisive advantage over a table of four. In 1v1 formats like Legacy and Modern, the effect is real but slower to snowball, and you're competing against more efficient draw spells for the same slot. Pioneer and Standard offer fewer combat-synergy commanders to pair it with, making it a role-player in those formats rather than a centerpiece. Oathbreaker slots it naturally into any blue-white or mono-blue aggro shell that wants sustained draw without relying on sorcery-speed payoffs.

Key Combos

Combo lines featuring this card

Budget Alternatives

Cheaper options that do most of the same work

Curiosity and Ophidian Eye both attach to a single creature for under $1 and produce the same draw-on-damage trigger, but they scale with one attacker instead of every attacker — that's a meaningful ceiling on their output in wider boards. If you need the full breadth of Enduring Curiosity's effect and want to stay cheap, Military Intelligence is a clean two-mana enchantment that draws whenever two or more creatures attack, though it reads your board state rather than targeting a creature and is slightly narrower in practice.

Price Context

Current price

$10.35 mid tier

At $10.35, Enduring Curiosity sits in the mid tier — expensive enough that you should be building around it, cheap enough that it belongs in any deck where it's genuinely a two-mana draw engine rather than a luxury include. The price reflects real demand from the Sonic and Jin Sakai spikes; whether it stabilizes there depends on whether those commanders stay popular, not something to base a purchase decision on.

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.