Allies at Last — ruling 1

Affinity for Allies reduces only the generic mana in Allies at Last's cost. The colored mana must still be paid.

Allies at Last — ruling 2

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 (such as that of Allies at Last's first ability). The mana value of the spell is determined only by its mana cost, no matter what the total cost to cast that spell was.

Allies at Last : règles, fonctionnement et interactions (MTG)

Allies at Last 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 Allies (This spell costs less to cast for each Ally you control.) Up to two target creatures you control each deal damage equal to their power to target creature an opponent controls.

How it works : Allies at Last

Original English text — Wizards of the Coast / Scryfall

#1October 2, 2025· Wizards of the Coast
Affinity for Allies reduces only the generic mana in Allies at Last's cost. The colored mana must still be paid.
No other card is named in this ruling.
#2October 2, 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 (such as that of Allies at Last's first ability). The mana value of the spell is determined only by its mana cost, no matter what the total cost to cast that spell was.
No other card is named in this ruling.