Spoiler season comment threads are difficult terrain for hosting reasonable discussions around balance, but I think having those sorts of discussions is useful even if nobody from Wizards R&D is lurking to read them

Salazzle #16Rare $0.25 Salazzle #47Holo Rare $0.42 Salazzle #26Rare $0.27 Salazzle #14Uncommon $0.23 Salazzle #31Rare $0.62 Salazzle #28Uncommon $0.23 Salazzle #28Rare $0.22 Salazzle #28Uncommon $0.02 Salazzle #140Uncommon $0.11 Salazzle #24Uncommon $0.03 Pansear #22Common $0.07 Golisopod GX #17Ultra Rare $1.59 Pikachu #40Common $1.12 Tangela #7Common $0.18 Salazzle GX #25Ultra Rare $2.06 Heatmor #24Uncommon $0.12 Butterfree #3Rare $0.54 Charizard GX #20Ultra Rare $24.66 Marill #34Common $0.68 Magikarp #32Common $0.33 Guardians Rising Booster Box $1783.00 Guardians Rising Booster Pack $34.60 Guardians Rising Elite Trainer Box $402.48 Guardians Rising Theme Deck - "Hidden Moon" [Lunala] $26.76 Guardians Rising Theme Deck - "Steel Sun" [Solgaleo] $18.39 Guardians Rising Prerelease Kit $327.33 Mega Powers Collection $1098.79 Island Guardians Tin [Tapu Koko GX]

, creating cards is an ability possessed by a select few, such as Yugi Muto's nemesis Seto Kaiba, who is known for creating his own set of custom cards, and, of course, Maximillion Pegasus, the creator of Duel Monsters
This card cannot be targeted by your opponent's card effects.
This card has sold for as high as $4,001
You can also set up some Johnny engines where you proliferate their creatures with +1/+1 counters, or just play nice and spread some +1/+1 counters here and there