Cheapest priced copy (Duel Decks: Izzet vs. Golgari): $0.35 at Card Kingdom, near mint, their price list as of .
Train of Thought 
Sorcery · Common · Guildpact · #39
Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)
Draw a card.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Izzet vs. Golgari | 19 | Common | $0.35 | — |
| Guildpact | 39 | Common | $0.35 | $0.49 |