Cheapest priced copy (Commander 2020): $0.35 at Card Kingdom, near mint, their price list as of .
Heroes' Bane 
Creature — Hydra · 0/0 · Uncommon · Commander 2020 · #175
This creature enters with four +1/+1 counters on it.
{2}{G}{G}: Put X +1/+1 counters on this creature, where X is its power.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
6 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2020 | 175 | Uncommon | $0.35 | — |
| Foundations | 639 | Rare | $0.49 | — |
| Iconic Masters | 166 | Uncommon | $0.35 | $0.49 |
| Journey into Nyx | 126 | Rare | $0.49 | $0.79 |
| Journey into Nyx Promos | 126★ | Rare | — | $0.49 |
| The List | IMA-166 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 8 November 2024If Heroes' Bane's power is less than 0 when its second ability resolves, X is considered to be 0.
- 8 November 2024The value of X is calculated only once, as Heroes' Bane's last ability resolves.