Who can beat Mandrakk ?

Overmonitor

Presence

GEB

Source

Darkseid Anti Life

Lucifer

Michael

Gabriel

Ellaine Belloc

Spectre (at full power)

The Word

The Endless

Thought Robot

Wf Mxy/Wf Bat Mite

Pralaya

Wally God Boy

One Above All

Fulcrum

Protege

Pre Retcon Beyonder

Scathan

Tiamut

Beyonders

Lord Chaos

Oblivion

Death

Living Tribunal

Pre Retcon Molecule Man

Master Order

Multi-Eternity-Multi Infinity

Man of Miracles

Crimson King

Gan

Lord English

Bill Cipher (complex multiverse)

etc...

Up

Beyonders.

almost all them on the list could do it