pokemon card trainer switch · Base Set First Edition #95(Shadowless) 206/165 / Hyper Rare Card Type / HP / Stage Switch - 206/165 - SV:

Trainer cards include the Rotom Dex and a Rare Candy, while Supporter cards include Ilima, Lana, Kiawe, Acerola, Mallow, Sophocles and Lillie

While not the most challenging prerequisite to achieve, it does force you to play an aggro or midrange deck

Octopus Umbra 3UU Enchantment Aura Enchant creature Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.) Totem armor's effect is mandatory

If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking

Creatures' official website describes their work on the game as "planning and game design, card design"