I don't know that a modern R&D would have emergency banned right after a new card first saw daylight, but there is no denying this deck was unbelievably brutal as well as being the quickest kill in the formatTinker into Memory Jar into either Yawgmoths Will or a second Memory Jar, for a Megrim kill at end of turn
This works perfectly with Magic: The Gathering 's Landfall mechanic, which can also be found in the expansion for added flavor and combos
Preordain Though Preordain shows you fewer cards than Ponder, it compensates by giving you a bit more control, allowing you to ship zero, one, or two cards to the bottom of your library before committing to a draw
It requires counter magic to interact and stop it
It pairs well with Leyline Tyrant, the bonus mode is totally within reasonable cost ranges, and of course, it acts as a land in a pinch