Cheapest priced copy (Ixalan): $0.35 at Card Kingdom, near mint, their price list as of .
Elaborate Firecannon 
Artifact · Uncommon · Ixalan · #237
This artifact doesn't untap during your untap step.
{4}, {T}: This artifact deals 2 damage to any target.
At the beginning of your upkeep, you may discard a card. If you do, untap this artifact.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ixalan | 237 | Uncommon | $0.35 | $0.49 |