This prevents Lumra from ranking higher on our list, but if you see a Lumra in the Command Zone, you may not even have a chance to make that player the archenemy before youre dead to a combo that you cant even make sense of
See this article by PucaTrades Eric Freytag for some inspiration
While not as powerful as Cylconic Rift, Slinn Voda can often serve as a second copy the Rift, that can only be effectively accessed by Merfolk tribal decks
Channel and Wheel of Fortune set a high bar #5: Moat Moat well, its a little too efficient at literally ending all attacks from creatures ever made
In these lists, you can utilize the counters to the extreme
It hasnt been reprinted since the early 90s and one from the Beta or Unlimited printings can go for $3,200