It's one of those features that threatens to make or break the game purely on its own - which would explain why the announcement adds that "The trading feature shown may not be available at launch", as if even more time might be needed to work out just how they're going to implement this idea without collapsing their whole business model
The Neo era, which introduced Generation Two to the TCG , kicked off with Neo Genesis which boasted a Lugia holographic chase card
Since its Round has a higher attack cost (see below), it makes a much more likely Catcher target if they dont outright 1HKO it

7.9%inclusion 8%synergy 35 decks 444 decks Deadly Dispute 7.8%inclusion -5%synergy 207 decks 2.64K decks Obscuring Haze 7.6%inclusion 5%synergy 221 decks 2.92K decks Sorceries Cultivate 62%inclusion 20%synergy 1.82K decks 2.92K decks Spider Spawning 60%inclusion 59%synergy 1.57K decks 2.64K decks Rampant Growth 47%inclusion 15%synergy 1.37K decks 2.92K decks Kodama's Reach 44%inclusion 18%synergy 1.29K decks 2.92K decks Nature's Lore 33%inclusion 2%synergy 974 decks 2.92K decks Farseek 33%inclusion -3%synergy 958 decks 2.92K decks Bushwhack 30%inclusion 27%synergy 871 decks 2.92K decks Blasphemous Act 26%inclusion -7%synergy 181 decks 691 decks Swarmyard Massacre 26%inclusion 25%synergy 688 decks 2.64K decks Three Visits 25%inclusion 0%synergy 717 decks 2.92K decks Roar of Challenge 22%inclusion 22%synergy 656 decks 2.92K decks Spider Food 22%inclusion 21%synergy 638 decks 2.92K decks Kindred Dominance 22%inclusion 18%synergy 575 decks 2.64K decks Romantic Rendezvous 21%inclusion 21%synergy 129 decks 602 decks Harmonize 16%inclusion 8%synergy 457 decks 2.92K decks Kapow

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I could see running Corrupted Conscience over Control Magic if youre already gunning for the poison kill