Cheapest priced copy (Dominaria United): $0.49 at Card Kingdom, near mint, their price list as of .
Electrostatic Infantry 
Creature — Dwarf Wizard · 1/2 · Uncommon · Dominaria United · #122
Trample
Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.49 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United | 122 | Uncommon | $0.49 | $0.79 |
One ruling from Wizards of the Coast
- 9 September 2022Electrostatic Infantry’s triggered ability resolves before the spell that caused it to trigger. The ability will resolve even if that spell is countered.