You choose which one you want, but just one
The game expects you to ramp into this attack with cards like the Baby Pokmon (whose attack attaches Energy to your bench for free) and Ho-oh ex (whose attack generates exactly the three Energy types needed by Lugia), since the game's random Energy generation means that just being able to use it once without these effects is a pipe dream at best, and only getting it off a single time probably won't even win the game
While both are Rank 5 monsters that require two Level 5 monsters as Xyz Materials, the former has more DEF than ATK and a purely supportive effect, while the latter has more ATK than DEF and an offensive and destructive effect
Whats Sudden Death
To rank the bots in this guide, we evaluated them based on: Retailer support : Compatibility with Pokmon Center, Walmart, Target, Best Buy, and other major retailers
Vintage bulk: Any bulk from Base Set through Neo-era sells well on eBay because nostalgia buyers are actively searching for it