Factory sealed booster boxes, cases, elite trainer boxes, build & battle kits etc
I would try and keep Gigalith on the bench until I got at least 3 energy cards on it, hopefully all fighting energy cards, and then use Core Cannon unless 90 damage would one hit KO the defending Pokemon
If you want to travel to another district of the city, you go find a taxi and a cutscene plays as you move from one location to another
If an Insect or Plant Synchro Monster(s) is Special Summoned, while this card is in your GY (except during the Damage Step): You can Special Summon this card, but banish it when it leaves the field
While removing the opponent's monsters, you can create powerful fusion monsters, so from the opponent's point of view, it's not a waste of time