"Come with your families to the land of our forefathers, to the State of Israel, where the Jews taught the entire world what Jewish self-defence means.
"The time has come."
Sa'ar was speaking at a Chanukah candle lighting ceremony just days after 15 people were killed when Islamic State-linked gunmen opened fire on a Chabad-run gathering at Sydney's Bondi Beach.
Naveed Akram, 24, and his father Sajid, 50, are believed to have pledged allegiance to Isis before carrying out the massacre using the latter's legally-owned firearms.
Naveed has been charged with 59 offences, including committing an act of terror, having emerged from a coma in hospital after being wounded by armed police, while Sajid was shot dead at the scene.
The Bondi atrocity followed a wave of antisemitic arson attacks in Australia throughout 2024, which intelligence services linked to Iran.
Elsewhere, on Yom Kippur, two people were killed at Heaton Park Synagogue in Manchester when Syrian-born Jihad al-Shamie rammed his car into the gates and went on a stabbing spree, before he too was killed by police.
Official statistics have also shown a significant uptick in antisemitic hate crime in the UK, the US and across Europe following the October 7 attacks on Israel.