It gives you access to a small suite of cards you won't always need, but you'll be happy to have them in your back pocket when you do
I do not, sorry
Each placed card reduces the play cost.[Opponent's Turn][Once Per Turn] When an effect adds cards to your opponent's hand, by trashing 1 of this Digimon's digivolution cards, your opponent trashes cards in their hand equal to the number of cards added to their hand by the effect.[On Deletion] Save (You may place this card under one of your Tamers.) Lower Text [Opponent's Turn] When this digivolution card is trashed by an effect, gain 1 memory
Advantage-wise, it's almost the same as a 1:1 trade, but if possible, I'd like to use it on monsters that consume 2 or more creatures, and use it on monsters that consume 2 or more bodies to get an explosive ad
Leaderx7
They tend to have powerful effects upon entering the battlefield, and, oddly enough, the Flying keyword