Enes Kanter Freedom had the most games with 30+ rebounds, 24+ points and 2+ blocks, with 1 game.

most game with 24 pts 30 reb 2 blocks 1 steal
Interpreted as:
most regular-season game with 24 or more pts 30 or more reb 2 or more blocks 1 steal by a player
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Enes Kanter FreedomEnes Kanter Freedom124302137.
StatMuse has game-level data for steals going back to the 1984-85 season.