Cheapest priced copy (Secrets of Strixhaven Promos): $1.99 at Card Kingdom, near mint, their price list as of .
Planar Engineering 
Sorcery · Rare · Secrets of Strixhaven · #340
Sacrifice two lands. Search your library for four basic land cards, put them onto the battlefield tapped, then shuffle.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $1.99 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Secrets of Strixhaven Promos | 158p | Rare | $1.99 | $2.49 |
| Secrets of Strixhaven | 158 | Rare | $1.99 | $1.99 |
| Secrets of Strixhaven | 340 | Rare | $2.99 | $1.99 |