This seems like a losing strategy, until you realize that by helping everyone else's deck to run faster and smoother, you'll never be the target because everyone wants what you're gifting them
Slaughter is a perfect card to pop in the deck too it not only delivers some really targeted removal but also triggers Yshtolas damage-dealing ability thanks to its mana-cost and allows you to draw a card when you decide to buy it back for 4 life
The deck is configured a certain way for a reason and shifting things too much will cause it to function improperly
For such high quality, consistently amazing art that fits the Lorcana style and lore this is all one artist
Regularly visit trading card stores, read Pokmon card blogs, and follow social media updates to remain in the loop
There are many ways to infinitely flicker a creature, so the right deck could use this to decimate an opponents board