Grist, Voracious Larva The whole trick to Grist, Voracious Larva is finding a way to bring it back from the yard so it'll transform into Grist, the Plague Swarm
712.4c Unlike other double-faced cards, meld cards cannot be transformed or converted
One of the quirks of the Commander rules is that if a mana symbol appears in the casting cost or in the text box of a card, the color of that mana symbol contributes to the card's "color identity." So if you used Ishkanah, Grafwidow as your commander, you could include green or black cards in your deck
If you're behind, play it as a land
Whether you catch me playing casually at my local game store, competitively during Standard RCQ seasons and events, or live-streaming community created brews on MTGArena or Magic: The Gathering Online via my Twitch Channel