Ria Ivor, Bane of Bladehold Ria Ivor, Bane of Bladehold is a bit unusual as an infect commander because it doesn't immediately put poison counters on your opponents
Armix & Ich-Tekik Golgari Artifacts Armix, Filigree Thrasher & Ich-Tekik, Salvage Splicer add a unique spin to the popular Artifact archetype by exploring it outside its traditional colors of Blue and Red: the result is an Artifact deck that gains a powerful sacrifice theme thanks to Black and a beefy game-ending threats thanks to Green
He also has Enrage, meaning whenever he is dealt damage, you put a +1/+1 counter on him
They all can cost four mana if you want them to
Kydele, Chosen of Kruphix Kydele, Chosen of Kruphix wants card draw to give you more ramp, but in practice you often need the reverse, ramp first, then card draw