Cheapest priced copy (Guildpact): $1.29 at Card Kingdom, near mint, their price list as of .
Cerebral Vortex 
Instant · Rare · GRN Guild Kit · #35
Target player draws two cards, then Cerebral Vortex deals damage to that player equal to the number of cards they've drawn this turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $1.29 to $7.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| GRN Guild Kit | 35 | Rare | $1.49 | — |
| Guildpact | 107 | Rare | $1.29 | $7.99 |