For those, theres a good solution from the postcard-collector world
When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped
The best, generally good cards that are great in this archetype: The self bounce, which requires the creature to be cast again, so it's not as good for tempo: The poison: Do you support blink
The Eye of Timaeus, The Fang of Critias , and The Claw of Hermos are well-loved by Duelists everywhere for their ability to Fusion Summon a wide variety of unique monsters using only one material
You put Angel of Serenity onto the battlefield, triggering its ETB ability, but you fail to pay Angel of Serenity's mana cost reduced by 2