Cheapest priced copy (Edge of Eternities): $0.79 at Card Kingdom, near mint, their price list as of .
Thrumming Hivepool 
Artifact · Rare · Edge of Eternities Promos · #247p
Affinity for Slivers (This spell costs {1} less to cast for each Sliver you control.)
Slivers you control have double strike and haste.
At the beginning of your upkeep, create two 1/1 colorless Sliver creature tokens.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
4 printings · $0.79 to $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 247 | Rare | $0.79 | $1.49 |
| Edge of Eternities | 356 | Rare | $2.29 | $3.49 |
| Edge of Eternities Promos | 247p | Rare | $1.49 | $2.99 |
| Edge of Eternities Promos | 247s | Rare | — | $5.99 |
One ruling from Wizards of the Coast
- 25 July 2025To 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. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.