Strax, Sontaran Nurse — ruling 1

The player is chosen at random, but Strax's controller gets to choose which of their creatures it fights.

Strax, Sontaran Nurse — ruling 2

If Strax is dealt damage equal to its toughness while fighting, it will die before the +1/+1 counter from its last ability can save it.

Strax, Sontaran Nurse : règles, fonctionnement et interactions (MTG)

Strax, Sontaran Nurse 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

Vigilance, trample Grenades! — , , Sacrifice an artifact: Choose a player at random. When you do, Strax fights another target creature that player controls. Glory of Battle — Whenever Strax deals damage to a creature, put a +1/+1 counter on Strax.

How it works : Strax, Sontaran Nurse

Original English text — Wizards of the Coast / Scryfall

#1October 13, 2023· Wizards of the Coast
The player is chosen at random, but Strax's controller gets to choose which of their creatures it fights.
No other card is named in this ruling.
#2October 13, 2023· Wizards of the Coast
If Strax is dealt damage equal to its toughness while fighting, it will die before the +1/+1 counter from its last ability can save it.
No other card is named in this ruling.