yugioh kaibaman card the Legend (starlight Rare) Proxy may be 1st or Unlimited Edition Yu-Gi-Oh! Kaibaman SDBE-EN014 | eBay

Did I miss some great ways to turn lands into creatures

It only gets the creature to your hand, but the possibility of getting rid of a pesky planeswalker or creature seems like a good trade to me

Special Illustration Rare Grusha is going for 55 (or about $70) as of Paldea Evolveds release

Root/Claw Fossil If you are running Anorith or Lileep (all the reprints of these cards are basically the same but avoid those from LA they count as Knocked Out Pokmon!) Multi Energy This card is just a Rainbow Energy except instead of placing ten damage on the user, its drawback is that the user cannot have any other special Energy cards on it, otherwise the card only offers one C Energy