Certain Synchro Monsters like Desert Locusts are best summoned during the opponent's turn, while others like Kuibelt the Blade Dragon or Black Rose Dragon can interrupt an opponent's play
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While your opponent can choose not to attack it, it becomes difficult to prevent the Pokemon behind Druddigon from getting their fill of Energy or Evolving
He's also a Wizard, which carries a lot of applications outside of Final Fantasy theme decks, including Inalla, Archmage RitualistInalla, Archmage Ritualist's ability to make copies of utility creatures like this
And when youre looking for A) big fliers that, B) have attack triggers, you get your pick of some of the best and flashiest cards to slap onto the table
A clear example is the Gen 8 Fighting Energy in the OP, where all across the right side you see those horizontal lines