Declension table of ?sarvayantrin

Neuter	Singular	Dual	Plural
Nominative	sarvayantri	sarvayantriṇī	sarvayantrīṇi
Vocative	sarvayantrin sarvayantri	sarvayantriṇī	sarvayantrīṇi
Accusative	sarvayantri	sarvayantriṇī	sarvayantrīṇi
Instrumental	sarvayantriṇā	sarvayantribhyām	sarvayantribhiḥ
Dative	sarvayantriṇe	sarvayantribhyām	sarvayantribhyaḥ
Ablative	sarvayantriṇaḥ	sarvayantribhyām	sarvayantribhyaḥ
Genitive	sarvayantriṇaḥ	sarvayantriṇoḥ	sarvayantriṇām
Locative	sarvayantriṇi	sarvayantriṇoḥ	sarvayantriṣu

Compound sarvayantri -

Adverb -sarvayantri