Bre of Clan Stoutarm — ruling 1

If you choose to cast the exiled card, you do so while Bre's last ability is resolving and still on the stack. You can't wait to cast it later in the turn. Timing restrictions based on the card's type are ignored.

Bre of Clan Stoutarm — ruling 2

Since you are using an alternative cost to cast the spell, you can't pay any other alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, you must pay those.

Bre of Clan Stoutarm — ruling 3

Bre's last ability will check as your end step starts to see if you gained life this turn. If you didn't, the ability won't trigger at all. Gaining life during your end step won't cause the ability to trigger.

Bre of Clan Stoutarm — ruling 4

If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.

Bre of Clan Stoutarm : règles, fonctionnement et interactions (MTG)

Bre of Clan Stoutarm 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

, : Another target creature you control gains flying and lifelink until end of turn. At the beginning of your end step, if you gained life this turn, exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost if the spell's mana value is less than or equal to the amount of life you gained this turn. Otherwise, put it into your hand.

How it works : Bre of Clan Stoutarm

Original English text — Wizards of the Coast / Scryfall

#1November 17, 2025· Wizards of the Coast
If you choose to cast the exiled card, you do so while Bre's last ability is resolving and still on the stack. You can't wait to cast it later in the turn. Timing restrictions based on the card's type are ignored.
No other card is named in this ruling.
#2November 17, 2025· Wizards of the Coast
Since you are using an alternative cost to cast the spell, you can't pay any other alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, you must pay those.
No other card is named in this ruling.
#3November 17, 2025· Wizards of the Coast
Bre's last ability will check as your end step starts to see if you gained life this turn. If you didn't, the ability won't trigger at all. Gaining life during your end step won't cause the ability to trigger.
No other card is named in this ruling.
#4November 17, 2025· Wizards of the Coast
If the spell you cast has in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
No other card is named in this ruling.