Rayquaza EX's (EX) Dragon Burst is an incredibly efficient attack that easily Knocks Out anything in the format, but you'll have to be careful to weave Delphox attacks in so that the opponent cannot win by Knocking Out 3 Rayquaza EX for 6 Prize Cards
Decklist The decklist contains 31 creatures, ten sorceries, 13 instants, ten artifacts, one enchantment, and 34 lands
Otherwise, this would be a great card for angle shooters
What makes it so attractive is it plays right into an alternative wincon that has seen more play since the Strixhaven precon brought us Esix: Biovisionary
Legendary Collection This set is unique in that it is the only expansion for the Legendary series
TCG, rather than the revolution we witnessed prior to Photon Hypernova due to the introduction of Kashtira