Aberrant Manawurm — ruling 1

Aberrant Manawurm's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.

Aberrant Manawurm : règles, fonctionnement et interactions (MTG)

Aberrant Manawurm 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

Trample Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is the amount of mana spent to cast that spell.

How it works : Aberrant Manawurm

Original English text — Wizards of the Coast / Scryfall

#1March 20, 2026· Wizards of the Coast
Aberrant Manawurm's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.
No other card is named in this ruling.