As long as you draw a Pikachu ex card in the first or second turn, you can reliably deal 90 damage in a turn with Pikachu ex's Circle Circuit attack without relying on coin flips or Supporter cards
Do not be afraid to try different styles until you find one that satisfies you
Pokemon comes out with new series a few times a year, so of course your kid is going to want booster packs from the latest series because well, its Pokemon and its something new
So I see Marchesa, Dealer of Death climbing the ranks as a Grixis spellslinger commander, mostly because of their simplicity
Wicked Rebirth X TRAP Continuous Activate this card by paying 800 LP, then target 1 Synchro Monster in your Graveyard
It seems like it will work with Hisuian Goodra VSTAR, Giratina VSTAR, and so much more!