Cheapest priced copy (Modern Horizons 3): $0.69 at Card Kingdom, near mint, their price list as of .
It That Heralds the End 
Creature — Eldrazi Drone · 2/2 · Uncommon · Modern Horizons 3 · #9
Colorless spells you cast with mana value 7 or greater cost {1} less to cast.
Other colorless creatures you control get +1/+1.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.69 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 3 | 9 | Uncommon | $0.69 | $0.99 |
| Modern Horizons 3 | 385 | Uncommon | $0.79 | $0.99 |
2 rulings from Wizards of the Coast
- 7 June 2024To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of It That Heralds the End). The mana value of the spell remains unchanged, no matter what the total cost to cast it was.
- 7 June 2024For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.