There May Not Be Many, But They're Needed Looking at Expanded, the Pokemon Trading Card Game brings in 23 cards that game designers determined to be either too powerful or too game-breaking to allow in competitive matches
(1) You can discard 1 other "Magician" Pendulum Monster, "Performapal" monster, or "Odd-Eyes" monster
Most famously, the Weatherlight Saga, running from 1997-2001, had a tight correspondence between cards and story, with many of the major and, notably, loads of minor story events depicted on the cards
Youre almost always going to fuse this, but the lines of play are always fun to navigate
Without the need to special summon extra Cloudians due to the nature of pendulums, I can see why you removed the self-special summon clause from Storm Dragon, But it is still sad to see the flexibility of the card go
If you don't have a pikachu card, then use a other card