The biggest issue the deck has is simply consistency
Explore is a very build-around mechanic, and you have to be firmly into counters and/or graveyard synergies to want this
Quick expansion: Ezuri, Renegade Leader, Elvish Clancaller, Ambush Commander, Imperious Perfect, Dwynen, Gilt-Leaf Daen, Timberwatch Elf, Immaculate Magistrate, Cultivator of Blades, Elvish Branchbender, Sylvan Offering, Hunting Triad, Lys Alana Huntmaster, Elvish Guidance, Wellwisher, Reclamation Sage, Viridian Shaman, Beast Whisperer, Primordial Sage Goal Cards: Elvish Champion, Joraga Warcaller, Heritage Druid, Joraga Treespeaker, Priest of Titania, Elvish Promenade Tribal commander: Freyalise, Llanowars Fury or Marwyn, the Nurturer GOBLINS Goblins alongside elves, zombies and the (mysteriously absent) merfolk are one of the first tribes to appear in Magic
Valgavoth, Harrower of Souls acted as the face commander to Magic: the Gathering's Endless Punishment preconstructed deck