My default commander is muldratha and inturn I've collected tons of graveyard/etb/recursion effects to compliment. From Time Sieve with several enablers Pentavus Myr Battlesphere Thopter Assembly Encroaching Mycosynth & Unctus, Grand Metatect, Horseshoe Crab, Paradise Mantle, Viridian Longbow but I'd include combos like gitrog and Dakmor Salvage because they enable strong combos and can work in combination with other peices like Crystal Vein or Dryad Arbor . Slime foot was also one of my original homebrew ing commander's finding a handful of cheeky combos that allowed him to swing well above his projected power level as well being a utility peice for mid and drawn out games. Plus has become a wincon on its own on occasion. Beledros is listed mainly cause of his ability would just make him a automatic solid choice.

Just want to bounce some ideas around to help with some deck building dilemma i been having.

Namely trying to pick between a few commanders that share identity ( The Gitrog Monster,Slimefoot, the Stowaway, Beledros Witherbloom ) and the others will probably be in the 99 anyway, or deciding between 2x alternate commanders that'll add a 3rd color ( muldratha, the grave tide or Tayam, Luminous Enigma ) or going ballz deep and settling for Atraxa, Grand Unifier. of course adding colors adds more combo/pieces and they all overlap for synergy but adds a complexity of mana base and filtering support/staple cards more strictly.

overall I do intend for Competitive so the aim has to be consistent and fast paced for board control, but naturally budget side since i cant go out and drop $2Gs on top end cards. granted i do have a handful of combo pieces, solid staples, and "good stuffs" to work with and can probably spring for a couple new cards.