Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, this enchantment deals 2 damage to that player
Banishing face-down makes the cost near-unusable for the rest of the game, in exchange for annihilating any chance your opponent has a reasonable recovery for their XD or a single Pendulum Monster you personally find unbeatable.
Art by Iris Compiet, with flexible cost reduction based on exiled blue cards, enhancing strategic play
Lucario would be a good candidate to appear as a Pokmon ex card, giving Fighting-type decks a much-needed boost as a counter to the potent tournament-winning Pikachu ex decks
Mega Charizard Y ex is strongest when it transitions from setup to damage without giving your opponent a free turn
Dawnglade Regent does provide these great things, but at a steep cost