Emeria, the Sky Ruin Emeria, the Sky Ruin is a nonbasic land that can tap for white and reanimates a creature card in your graveyard if you have seven or more plains in play
And that is the left side of the composition
Once again this story starts with a dinner, this time between Marchesa and Ervos Trax, a business partner of hers from the lowlands
I was surprised to find it so high in this list, since it's fairly low-power
This particular card also allows for passive damage, as whenever one or more artifact creatures you control attack, it deals X damage to any target, and you also scry X (where X is the number of tapped artifacts you control) so you can additionally get to your cooler cards faster
Being able to create temporary copies of wizards you control means being able to double any ETB abilities that may trigger