Izoni, Thousand-Eyed and Lotleth Giant are realistic reasons to want undergrowth cards in your deck, but Id need convincing before slotting the rest into an EDH deck

(Click the following to see the deck's tokens and helper.) Wakanda Forever Tokens 3x Vibranium // Angel tokens 2x Soldier // Goat tokens 2x Soldier // Copy tokens 1x Vibranium // The Monarch (helper) token 1x Rhino // Elephant token 1x Rhino // Beast token 0015a_MTGMSH_CmdrTkn: Vibranium Token // Angel Token 0004a_MTGMSH_TknBstr: Soldier Token (Wakanda) // Goat Token 0004a_MTGMSH_TknBstr: Soldier Token (Wakanda) // Copy Token 0015a_MTGMSH_CmdrTkn: Vibranium Token // The Monarch (Helper) 0013a_MTGMSH_CmdrTkn: Rhino Token // Elephant Token 0013a_MTGMSH_CmdrTkn: Rhino Token // Beast Token (Back) The Fantastic Four 0001_MTGMSH_CmdrFace: Invisible Woman 0002_MTGMSH_CmdrFace: Mister Fantastic 0003_MTGMSH_CmdrFace: Human Torch 0004_MTGMSH_CmdrFace: The Thing Invisible Woman Mister Fantastic Human Torch The Thing Galactus, Devourer of Worlds Silver Surfer, Galactus's Herald Invisible Force Field Ultimate Nullification Council of Reeds Fantastic Elasticity Lockjaw, Slobbering Teleporter Valeria Richards, Precocious Alicia Masters, Skilled Sculptor Flame On

Every person everywhere except the people who are currently in your game
Storm the Vault The only reason this awesome flip card is hitting all the way back at #10 when it's likely a lot higher is because we haven't had enough play yet to cast it further up the list for its colors, but it's already nasty in the play it's gotten
Thats the last time you get Morphing Jard on a good hand
Luckily for us, Sorin (and his accomplice Knight of the Ebon Legion) still remembers