EDHRECs Lands Theme page lists 24 of the most popular commanders for the theme, and many others are perfectly viable as well
The eldrazi were billed as a new creature type of absurdly large creatures, headlined by Emrakul, the Aeons Torn, finally putting to bed the question of who the biggest and baddest creature in Magic is
We've increased the number of all our common and uncommon Madrigal cards to four, but limited them to just the most impactful: Agustin, Felix, Julieta, Camilo, Dolores, Luisa, Isabela, and both Mirabels
Repulse (Invasion/Planeshift/Apocalypse) Cantrips are fun, since you do not have to spend a card to gain an effect - it breaks the card/mana equation of playing a spell
Archfiend of Depravity is also relatively valuable for these decks and definitely does some work against your opponents
Bloodghast's landfall ability triggers only if it's already in your graveyard at the time a land enters under your control