Pokmon- EX , introduced in the Next Destinies set (also not a new mechanic), are a continuation of this idea
13 Neheb, The Eternal You're Getting Mana No Matter What Despite Neheb, The Eternal's burn effect being secondary to its mana-generating ability, it's still a great way to pick at your opponents as you ramp your way to more substantial damage
For example, Genesect V's Fusion Strike System ability lets you draw cards until your hand size is equal to the number of Fusion Strike Pokemon you have in play, while Mew VMAX's Cross Fusion Strike attack copies the attack of a Fusion Strike Pokemon on your bench
Similarly, we can expect more of the Mega Evolutions, like the Mega Gyarados EX, Mega Blaziken EX, and more, to get a shiny version in the sets to be released after Mega Shine Expansion
it's definitely worth mentioning that Liliana, the Last Hope's +1 ability combines nicely with Grasp of Darkness to kill cards like Ishkanah, Grafwidow or Mindwrack Demon