Cheapest priced copy (Edge of Eternities Commander): $1.79 at Card Kingdom, near mint, their price list as of .
Insight Engine 
Artifact · Rare · Edge of Eternities Commander · #6
{2}, {T}: Put a charge counter on this artifact, then draw a card for each charge counter on it.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $1.79 to $2.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities Commander | 6 | Rare | $1.79 | — |
| Edge of Eternities Commander | 26 | Rare | $2.29 | — |
One ruling from Wizards of the Coast
- 25 July 2025If Insight Engine leaves the battlefield before its ability resolves, it won’t have a charge counter put on it when the ability resolves. Use the number of charge counters on it as it last existed on the battlefield to determine how many cards to draw.