Giratina's only attack Darkness Lost takes four energy cards, 2 psychic, 2 colorless, and does 30 hp damage to each of your opponent's Pokemon
You take two cards at a time instead of one (hence the name)
What could be better than to sit behind a defensive creature like Oscorp Research Team and to leave the mana open to draw two cards each turn
Sword Arm of Dragon X EARTH Level 6 [ Dinosaur / Normal ] ATK 1750 DEF 2030 This Jurassic juggernaut has a spine covered in sword-like plates, and a tail to split open skulls
If you like the idea of pile decks, you might want to check out my modular Doctor Who and Storm, Force of Nature deck techs where I build multiple decks using the same commanders, and if you want pile commander deck techs, let me know in the comments or over on Bluesky at @brbmtg.bsky.social.
Variants pairing Altaria with Igglybuff to inflict Sleep are also common and add another layer of disruption