While not every combo is the most realistic, and some take a fair amount of setup to get going, there are a few that are a bit better than others
Bouncing a damaged Kronk or The Prince, Never Gives Up can be a great way to heal them so they can be played again, while bouncing a shifted Hercules or Cinderella will always give you two cards back, and even allow you to add one of them to your inkwell if you're in a position to play the Floodborn card for full price
While its mana production hinges on how any creatures you have out, thats never slowed down this land
A 3/3 for three mana, with three keyword abilities is already pretty solid, but Sigurd comes with two more abilities to make him even better
One trick to avoid this is to put a different color or hard card sleeve on your Commander
Wayfarer's Bauble [Dragon Deck]: Yet another mana stabilizer in a five-color deck