The ones that the younger version of you thought were good, letting you play Magic like you thought it was when Gigantosaurus was your favorite card
Skullbriar, the Walking Grave Skullbriar, the Walking Grave has a fascinating ability to go with its saboteur growth
And, while its not quite Cyclonic Rift since its not always one-sided and can only bounce creatures, it can have a pretty massive impact on the game out of nowhere
The set focuses on the perspective of the Phyrexians, as Planeswalkers descend on their home in what is considered the final effort for the fate of all living things
This means things like strike it rich which stores 1 mana for later is ramp, just as things like mana rocks such as sol ring, or mana reducers like Goblin Electromancer are all in the category of ramp
Other copy effects like Sculpting Steel are good or stealing another players artifact with Hostage Taker or Memnarch