The Democratic presidential contenders unleashed heightened attacks on each other Saturday night in Las Vegas, where they preached electability at a caucus kick-off gala after a day spent campaigning.

Vermont Sen. Bernie Sanders even took aim at a rival not on the Nevada caucus ballot — former New York City Mayor Michael Bloomberg, who has poured more than $300 million into advertising as he mounts his fledgling campaign. Sanders criticized the billionaire candidate’s “stop-and-frisk” police policy, which disproportionately affected black and Latino residents, as well as his past resistance to raising the minimum wage.

“The simple truth is that Mayor Bloomberg, with all his money, will not create the kind of excitement and energy we need to have the voter turnout we must have to defeat Donald Trump,” he said.

Sanders’ pointed remarks come as the possibility of Bloomberg joining them on the debate stage Wednesday looms. It’s unclear whether Bloomberg, who’s skipping the first four nominating contests, will qualify for the debate.

When it was former Vice President Joe Biden’s turn to speak, he levied some blows on Sanders without directly naming him. Biden vowed to erase a federal law that exempts gun manufacturers from litigation, which Sanders voted for back in 2005. The Vermont senator, however, has since said he would repeal the law.

He didn’t stop there. Biden went on to tout his own health care policies, including lowering the prices of prescription drugs and copays, eliminating surprise medical billing and building on the Affordable Care Act with a public, Medicare-like option.

Biden framed his health platform as a more reasonable approach than Medicare for all, which is backed by other candidates, including Sanders. He questioned his opponents’ ability to turn Medicare for all into a reality and then pay for it.

“I can actually get my plan passed,” he said, pausing on each word for emphasis.

Fresh off the heels of a better-than-expected finish in New Hampshire, Minnesota Sen. Amy Klobuchar painted herself as the candidate who could spur a blue wave up and down the ballot and across the country.

“If you want to get all the great things done that you’ve heard tonight, we need to send Mitch McConnell packing,” she said, drawing applause inside the Tropicana ballroom.

Pete Buttigieg, the former mayor of South Bend, Indiana, got straight to the point during his remarks: “I’m here one more time to look you in the eye and ask you to caucus for me one week from today.”

The 38-year-old slapped back against criticism concerning his experience and, instead, posited himself as someone capable of winning over die-hard Democrats, Independents and moderate Republicans — or, as he put it, “future former Republicans.” 

“We do not have to choose between a revolution or fidelity to the status quo,” he said. “We can call every American into a better vision for a better future.”

Massachusetts Sen. Elizabeth Warren and Tom Steyer rounded out the list of presidential hopefuls who each spoke for about 10 minutes at the gala on the Las Vegas Strip. Warren delivered a literal quieter speech, acknowledging a cold as she spoke in a raspy, barely-there voice.

But she fought through it while painting a grim picture of the nation under Trump, saying “democracy hangs in the balance.” 

She said the time calls for big structural changes, not small ideas.

“I am in the fight because fighting is an act of patriotism,” Warren said.

The Clark County Democrats put on the event, which was attended by the who’s-who of state party leaders, including Gov. Steve Sisolak, Sens. Catherine Cortez Masto and Jacky Rosen, and Reps. Dina Titus and Steven Horsford.