Cheapest priced copy (Duel Decks: Izzet vs. Golgari): $0.49 at Card Kingdom, near mint, their price list as of .
Invoke the Firemind 
Sorcery · Rare · Guildpact · #118
Choose one —
• Draw X cards.
• Invoke the Firemind deals X damage to any target.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Izzet vs. Golgari | 31 | Rare | $0.49 | — |
| GRN Guild Kit | 40 | Rare | $0.69 | — |
| Guildpact | 118 | Rare | $0.69 | $2.99 |
One ruling from Wizards of the Coast
- 1 February 2006As you cast Invoke the Firemind, first you choose the mode (draw cards or deal damage), then you choose the value of X. You then choose a target, but only if you chose the second mode.