(2) Your opponent cannot activate monster effects on the field while Light Barrier is in the Field Zone
But for Kaalia of the Vast decks, its a strong 9/9 flying lifelinker to cheat into play
We tried several iterations of the card that included an additional passive ability (which eventually became the final passive ability), but ultimately cut the trash ability in exchange for the +1 link
Tirtouga is a Water Pokemon
So knowing this, on its own, if you're building a dual type deck of fire and lightning, including one of these cards in that deck is a no brainer
The strict definition of Energy acceleration is finding ways of playing more than just the one Energy per turn youre allowed to play cards like Metang, Baxcalibur, Geeta, and Mela can help you speed up and outpace your opponent