Any cards that enable players to play extra land drops, such as Wayward Swordtooth or Mina and Denn, Wildborn, and any cards that help keep your hand empty, like Harnfel, Horn of Bounty or Eruth, Tormented Prophet, can enable Flubs players to take huge, snow-balling turns that lead them to whatever wincons they may have built into the deck
Theres a lot of card draw/advantage in the deck, but much of it is on expensive cards like Sunbirds InvocationSunbirds Invocation and Coveted JewelCoveted Jewel, so you cant rely on cheap card draw to find your ramp in the early game
Whether youre a free-to-play grinder or someone willing to invest, knowing the mechanics behind wildcard acquisition helps you build competitive decks faster and more efficiently
If you have a playgroup with far more interaction, I would probably add some more mana rocks instead
Sultai (Blue/Black/Green) The Mimeoplasm gives you access to green, black, and blue, and comes equipped with built-in graveyard removal, allowing you to exile two cards from opponents' graveyards to power it up
Their casting cost includes mana from at least two colors plus additional mana from any color