Cheapest priced copy (March of the Machine): $0.35 at Card Kingdom, near mint, their price list as of .
Sandstalker Moloch 
Creature — Lizard · 4/2 · Uncommon · March of the Machine · #203
Flash
When this creature enters, if an opponent cast a blue and/or black spell this turn, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine | 203 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 14 April 2023It doesn’t matter if the blue and/or black spell an opponent cast that turn resolved, didn’t resolve, was countered, or is still on the stack.