 Nyora kupfuurira kweiyi ndima - Muna 1271 na1274, Nogai akatungamirira kurwisa Bulgaria neByzantium. Mukupamba kwokutanga, Mambo weRoma Wokumabvazuva Michael VIII akadzivisa hondo ndokumupa mwanasikana wake kuti ave mudzimai waNogai Muna 1277, chiito chakakurumbiravachitungamirirwa naIvaylo weBulgaria vakawana rutsigiro rwemauto akawanda nevakuru vakuru uye vakakunda boka revaMongol raipinda munharaunda yavo. Muna 1278-79 Nogai, akatsamwiswa nokupanduka kwacho, akatungamirira pachake uto kupinda muBulgaria. Akakunda vaBulgaria, akapamba nyika, uye akakomba Ivaylo muSilistra, zvisinei akabva pashure pemwedzi mitatu. Ivaylo akazopukunyuka kurwiswa nevaMongol uye akatungamirira mauto eBulgaria kukunda mauto aNogai aiva muByzantium muhondo yeDevina. Muna 1280 Ivaylo akatanga kurasikirwa nerutsigiro pakati pevateveri vake, vakanga vasingafariri hondo dzisingaperi nevaByzantine, zvikamu zvevakuru veBulgaria, uye mapato evaMongol. Zvadaro vakuru vakuru vacho vakasarudza George Terter I kuti ave mambo. Ivaylo akasarudza kukumbira kuna Nogai, achioneka pamberi pake neboka duku revateveri vachikumbira khan kuti aite Ivaylo mambo zvakare; Nogai pakutanga akamugamuchira noushamwari ndokumukoka kumutambo. Asi pamutambo wacho, naIvaylo naIvan Asen III vakagara parutivi pake, Nogai akanongedza Ivaylo ndokuti Iye muvengi wababa vangu, Mambo Michael VIII, uye haafaniri kurarama. Ivaylo akaurayiwa pakarepo nevarindi vaNogai. 