The primary combo is using Solemnity alongside Nine Lives or Phyrexian Unlife to keep yourself alive, but it also pairs well with a non-human, Phyrexian Altar and Mikaeus, the Unhallowed for infinite mana
Many creature cards have both a "species" creature type and a "class" creature type
This way, you can choose exactly how many permanents and how many extra turns you have, and there can be no colluding between your opponents to give you the worst deal
It seems that this would be a very effective defense against any targeting, for any action in-game, due to the risk of the active players card being immediately removed from play
To make everyone's lives easier, it's called "Mega Evolution" and is kicking things off with a bang thanks to Mega Lucario, Mega Gardevoir, Mega Venusaur, Mega Absol, and more
I recommend reading the article to learn which Vehicle cards you should focus on from Aetherdrift to add to your collection.