A Storyborn hero card, Oswald appears to have an ability called " Favorable Chance ." This allows the player to reveal the top card of their deck whenever they put a card into their inkwell - if that top card is an item card, they can play it for free, although it enters the game already exerted
9 Centiskorch Vmax Centiskorch VMax kind of uses a similar gimmick to the Inteleon Vmax card, removing energies and whatnot from the opponent, but in addition to this ability, he has an absolutely ridiculous ability that allows him to do 40 damage for each fire energy card he has attached
Spells that have an additional cost to cast as a downside are often good targets for copying
If you start out with a medium-sized Fireball, youre looking at 20+ damage all at once
However, Crown Zenith is proving the most fantastic set for the Proper Way to get the cards you want: trading