Sen. Elizabeth Warren tore into rival Mike Bloomberg on Tuesday, forecasting that his appearance on the Democratic debate stage in Las Vegas will allow his rivals to demonstrate their skills at taking on an "egomaniac billionaire" such as President Donald Trump.

"It's a shame Mike Bloomberg can buy his way into the debate," wrote Warren, D-Mass. "But at least now primary voters curious about how each candidate will take on Donald Trump can get a live demonstration of how we each take on an egomaniac billionaire."

Bloomberg will face five Democrats eager to take him down on Wednesday after qualifying for his first debate since entering the 2020 race. The business titan is estimated to be worth more than $60 billion.

Warren tweet

Bloomberg, a former New York mayor, has rapidly ascended in the polls — he's now in third place in national surveys — despite forgoing the first four nominating contests in order to devote resources to the more delegate-rich states that start voting in March.

Warren, for her part, is facing pressure to make a mark at Wednesday's debate after sliding in the polls following poor showings in Iowa and New Hampshire, the first states to host nominating contests. Warren came in third in Iowa and fourth in New Hampshire.