This is a Filipino slang word that can mean different things in different contexts.

from the Spanish descarte (descartar means to discard)

one’s effective way of doing things

mojo or “game”

Kailangan may diskarte ka.
You have to have an angle.
(You can’t just plainly do things.)

Kailangan may diskarte ka. 
You have to be resourceful.

Magaling dumiskarte si Pedro.
Pedro knows very well how to put on the moves.
(on a girl, for example)

Talagang dumidiskarte si Alan.
Alan’s really putting on the moves.
(skilled at getting his way)

Spelling variation: discarte