Cheapest priced copy (Ravnica: Clue Edition): $2.99 at Card Kingdom, near mint, their price list as of .
Herald of Ilharg 
Creature — Boar Beast · 3/3 · Rare · Ravnica: Clue Edition · #34
Trample
Whenever you cast a creature spell, put two +1/+1 counters on this creature. If that spell has mana value 5 or greater, this creature deals damage equal to the number of counters on it to each opponent.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 34 | Rare | $2.99 | — |
2 rulings from Wizards of the Coast
- 2 February 2024If Herald of Ilharg leaves the battlefield before its last ability resolves, use the number of counters that were on Herald of Ilharg as it last existed on the battlefield to determine how much damage to deal.
- 2 February 2024Herald of Ilharg's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.