Also, as a side note, there are currently no cards banned from tournament play in the Standard format
Even then, with this much lower legendary creature count, you end up at over 87% to grab an additional card from her ability
Supreme King Z-ARC - Synchro Universe X DARK Level 12 [ DragonSynchroPendulumEffect ] ATK 4000 DEF 4000 P Scale 1 You can Tribute 1 "Supreme King Dragon" or "Supreme King Gate" Pendulum Monster
Known for their rigorous standards, a PSA grade of 9 assures collectors of the card's exceptional quality and integrity
It's an event you don't want to miss and a deck that will become the crown jewel of your collection
In fact, if you were to employ this strategy at the Pro Tour, so long as you did a good job drafting, building your deck, and playing the games, you'd have a perfectly fine chance to do well