When the other soldiers of Zhalfir fall, the askaris will yet stand.

Askari des erleuchteten Speeres

Flankenangriff
{1}{R}: Der Askari des erleuchteten Speeres kann in diesem Zug nicht von nur einer Kreatur geblockt werden.

Askari de la Lanza Flamígera

Askari de l'Escarlance

Ascari dalla Lancia Infuocata

灼熱の槍のアスカーリ

Askári da Lança Cauterizante

Searing Spear Askari

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

Mirage

Flanking (Whenever a creature without flanking is assigned to block this creature, the blocking creature gets -1/-1 until end of turn.)
o1oo
R Searing Spear Askari cannot be blocked by only one creature this turn.

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