Since you have the infrastructure to hit already, why not add in two more combat damage triggers that also boost the power by two and thus the Commander Damage clock is sped up as well and giving two key protections from targeted removal like Beast Within and burn like sweeping Blasphemous Act
When your opponents lose life for the first time during their turns, Valgavoth triggers and keeps your engine running smoothly
A souped-up prowess trigger that gives you counters looks very powerful, but it does have a big downside that it only starts out as a 1/1 for 2 mana
This is such an evergreen creature type that we see them practically nonstop in Standard
Either draw a card, make a 3/3, or gains life
A cards ink type can be found between its text box and the name of the card, and is indicated by the symbol on the left-hand end of the colour band, as well as by the colour of the band itself