While not outright mentioned, the attack just launched is likely to be Star Raid, Mewtwo VSTARs VSTAR Power
Since the card requires 25 lore to win the game, when you play the card, you can tap a new button on the lore counter that updates any opponent(s) lore counter to require 25 lore to win
The extra turn trigger is lost in that, but theres so much going on here that it doesnt matter much
These cards allow players to cast spells, summon creatures, and manipulate the game in various ways
To unlock the Promo Mewtwo card, for example, players need to collect 5 Mewtwo cards , making it extremely tricky to get hold of
We could go on, but you get the point