Cheapest priced copy (Innistrad Remastered): $3.99 at Card Kingdom, near mint, their price list as of .
Heartless Summoning 
Enchantment · Rare · Innistrad · #104
Creature spells you cast cost {2} less to cast.
Creatures you control get -1/-1.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $3.49 to $5.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad Remastered | 117 | Rare | $3.99 | $3.49 |
| Innistrad Remastered | 309 | Rare | $5.49 | $4.49 |
| Innistrad Remastered | 383 | Rare | $3.99 | $3.99 |
| Innistrad | 104 | Rare | $4.49 | $4.99 |
One ruling from Wizards of the Coast
- 24 January 2025Heartless Summoning’s first ability can only reduce the generic mana portion of a creature spell’s cost.