First, there's the return of a Planeswalker: Ral Zarek, Guest Lecturer
It never costs 6 mana unless somethings going terribly wrong and punches well above its stat box thanks to the artifactfall triggers that are easily spammable
Supreme King Z-ARC Supreme King Z-ARC has Attack and Defense stats of 4,000, which would be enough for most "Yu-Gi-Oh!" monsters, but this card has a host of special abilities that makes it almost impossible to stop
If you're lucky enough to get a Lapras ex or two, try out our Blastoise ex deck, which uses the Water-type Pokemon
Similarly on turn twelve with 9 mana open and nothing else going on the Chronologist is a pretty serious top deck and although the Muldrifter is great here too it does rather depend on what you get with it as to how much it helps
While it isnt an evergreen mechanic, its one of the most well-supported deciduous ones, and designers clearly love to bring it back every so often