Searing Spear Askari — ruling 1

The ability only does something if used before blockers are declared. You can use it afterwards but to no useful effect.

Searing Spear Askari : règles, fonctionnement et interactions (MTG)

Searing Spear Askari 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

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) : This creature gains menace until end of turn. (It can't be blocked except by two or more creatures.)

How it works : Searing Spear Askari

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
The ability only does something if used before blockers are declared. You can use it afterwards but to no useful effect.
No other card is named in this ruling.