My teacher HG Swarupa Damodar Prabhu taught me this, and mridanga was taught by HG Bhima-karma Saragrahi Prabhu
Lyrics:
ugram viram maha-vishnum jvalantam sarvato mukham
nrisimham bhishanam bhadram mrityur mrityum namamy aham
sri narasimha jaya narasimha jaya jaya narasimhadeva
praladesa jaya padma mukha padma bhrnga
namas te narasimhaya prahladahlada-dayine
hiranyakasipor vakshahsila-tanka-nakhalaye
ito nrisimhah parato nrisimho yato yato yami tato nrisimhah
bahir nrisimho hridaye nrisimho nrisimham adim saranam prapadye
tava kara-kamala-vare nakham adbhuta-sringam
dalita-hiranyakasipu-tanu-bhringam
kesava dhrita-narahari-rupa jaya jagadisa hare
jaya narasimhadeva, jaya prahlad maharaja, jaya prabhupada, jaya gurudeva, nitai-gaura haribol