Thrumming Hivepool — ruling 1

To 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.

Thrumming Hivepool : règles, fonctionnement et interactions (MTG)

Thrumming Hivepool is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Affinity for Slivers (This spell costs 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.

How it works : Thrumming Hivepool

Original English text — Wizards of the Coast / Scryfall

#1July 25, 2025· Wizards of the Coast
To 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.
No other card is named in this ruling.