The randomness of its ability does make it hard to plan around, but it also makes slamming that Utvara Hellkite down on turn 4 feel so, so sweet
Spell subtypes (Adventure, Lesson)
Jet Energy Jet Energy feels like its been around forever, and I remember how much it helped out Lost Zone decks back in the day
Between the free switching ability and the big attack, Mega Dragonite ex has a vibe of strategic bruiser, letting you maneuver and then strike decisively
Then, once youve taken a few characters down and Robin is looking a bit low on willpower, you can challenge Robin one last time, letting you draw a card when he gets banished
Just look at Hierophant Bio-Titan from the Tyranid Swarm Warhammer 40,000 deck, for instance