Flower Cardian Willow & Flower Cardian Willow with Calligrapher Flower Cardian is a very different kind of deck to most, with a lot of drawing involved
All the way back to May 1999 when the original Japanese version was released
Now, you've got something that feels like a 25th anniversary celebration, helps players to enjoy the game safely online, would attract new players to the physical game, and could happily launch for a console that seems to re-energise any franchise that appears on it
This popularized other cards a few other cards having multiple instances of cascade, from Zhulodok, Void Gorger and Call Forth the Tempest having double Cascade to Apex Devastator having quadruple Cascade
However, its mighty wings have yet to fly very high in Constructed formats, except in some Boros reanimator shells alongside Fable of the Mirror-Breaker and Invoke Justice