The 21-year-old soldier from Ness Ziona was killed by anti-tank fire in Lebanon.
The 21-year-old resident of Jerusalem was killed on Wednesday by Hezbollah terrorists.
Sgt-Maj Nazar was mourned in Kiryat Ata and in Ukraine, where Chief Rabbi of Ukraine Moshe Azman expressed his condolences.
Captain Oster, who was 22 years old and from Modi'in, was a soldier in the Egoz Unit.
The stories of fallen IDF soldiers Yosef Malachi Guedalia, Dekel Suisa, and Aviad and Erez Deri – and those who mourned them at Mount Herzl military cemetery, months and years later.
The IDF announced the death of two soldiers who fell in combat in northern Israel.
Shimon's brother, Guy, said in conversation with Ynet, "He was the most perfect kid you could imagine. A charming guy, handsome, with a heart of gold.
"Thank you for being the most perfect brother to your sisters, the most perfect son, and the best of friends," Bakri's father said.
In the same incident where Toaff was killed, two other fighters from the battalion and paramedic Staff Sergeant Agam Naim also lost their lives.
In addition to the four IDF soldiers killed while fighting in southern Gaza, the IDF stated that an additional five were wounded.