Although there are conditions, it is not an unreasonable condition for a combatant who chases and disposes of an enemy, and since it is a free trigger and there is no limit to the player's turn, it can be used to block enemies that pop up during another investigator's turn
But Aura enchantments (with the type line "Enchantment - Aura") are different
There arent differences between packs that come from booster boxes, sleeved packs, Ilumineers Troves, gift sets, or other boxes
Most of the best utility lands enter tapped, but not Three Tree City, and even if you don't have the right creature types, you can still tap it for a colorless mana so it's not ever sitting around doing nothing
While you can easily go buy the Common Pikachu from this set for under a dollar, there are two more Pikachu to collect in the ten-dollar range: the Ultra Rare and VMAX Secret Rare, both from the set's Trainer Gallery
001/015 Sprigatito 002/015 Fuecoco 003/015 Quaxly 004/015 Cetoddle 005/015 Cetitan 006/015 Pikachu 007/015 Pawmi 008/015 Kilowattrel 009/015 Flittle 010/015 Sandaconda 011/015 Klawf 012/015 Blissey 013/015 Tandemaus 014/015 Cyclizar 015/015 Kirlia All of these pokemon cards are from the Pokemon Scarlet & Violet era except for the Pikachu