Cheapest priced copy (Ravnica: City of Guilds): $0.35 at Card Kingdom, near mint, their price list as of .
Flow of Ideas 
Sorcery · Uncommon · Ravnica: City of Guilds · #50
Draw a card for each Island you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: City of Guilds | 50 | Uncommon | $0.35 | $0.49 |
| Shadowmoor | 38 | Uncommon | $0.35 | $1.99 |