The 21.3 patch, releasing tomorrow, includes several updates across Standard, Wild, Battlegrounds, Duels, and Arena.
Standard and Wild Updates
The following cards have been adjusted down in power level.
Irebound Brute- Old: [Costs 7] → New: [Costs 8]
Dev Comment: Irebound Brute was playable a bit earlier than intended on average. Pushing it back a turn should soften extreme turns.
Mindrender Illucia- Old: Battlecry: ...