It does feel a bit bloated with Lucario cards, though, so if you want to reduce the amount
Once Goblin Tomb Raider has been declared as an attacker, causing it to lose haste by removing all of your artifacts won't cause it to stop attacking, even if it entered the battlefield or came under your control that turn
You are though forced to discard 3 Energy from a2-49-palkia-ex, making it harder for you to activate it on the upcoming turn
Thankfully, while there are five new additions around the $5-$8 range, there are some more expensive options
The Vehicle stops being a creature at the Cleanup step, it keeps all the counters even if they make no sense, but some permanents attached to it may fall off": Spirit Mantle becomes unattached and put into the graveyard, because it cannot enchant a non-creature permanent