It's like a legacy ability that was around at the beginning of Magic, but hey, it's Secret Lair, he continued
Blue has counterspells, black has removal, and red has direct damage and burn, plus the Grixis commander allows a bunch of effects that let you take control of a target creature
2 Mercy Killing Green isnt typically the color known for destroying creatures, but Mercy Killing is a targeted removal spell that gets around even indestructible
Dralnu is quite bad: comes out slow, doesn't offer much value, and always runs the risk of blowing up in your face
Urabrask, Heretic Praetor Everyone's least favorite Praetor, since they actually are fair, just giving your team haste and tapping your foes, not something abusive
Sultai Mutate likely would have scored much better if it were Sultai X-Matters instead, with Zaxara, the Exemplary as the face Commander and the underpowered and unexciting Otrimi, the Ever-Playful as a backup commander along with a light mutate sub-theme for players who want to build a mutate Commander deck with new Ikoria cards