you may play cards from exile mtg Wheel of Potential Back to the Basics -

On top of that, consider bouncing an MDFC land to cast its front side

In Commander, mana dorks are run in the majority of green decks, so this seems like an easy ramp staple

Im not sure what legend you might be able to use to actually take advantage of it (maybe Iname as One or Jugan, the Rising Star?), but its something to ponder Everybody Accelerate Collective Voyage, Eladamris Vineyard, Magus of the Vineyard, New Frontiers, Veteran Explorer, Clear the Path, Rites of Flourishing

Until then, this 4-mana artifact should see you drawing an additional card every turn

This is important in games where you're able to keep their creatures at bay, but end up losing to the Cutters that stick around

Ghalta, Stampede Tyrant does that with the right combination of ETBs in hand, although I cant quite put my finger on the right combo