My friend Swag has an [card]Ephara, God of the Polis[/card], deck that I think epitomizes this particular element in our Unified Theory
[Metal][Colorless][Colorless] Gale Blade 70 You may shuffle this Pokemon and all cards attached to it into your deck
Some might say this number is on the smaller side, but in my opinion aggro decks should be causing problems instead of solving them
Bilbo, Birthday Celebrant's first ability applies just once to each life-gaining event, no matter how much life is gained
This process ended up being a lot cleaner and solved a lot of individual process issues that had built up over years
Not only that, a Carnival of Souls without Chatterstorm is just plain bad, incentivising multiple copies, but these cards aren't powerful enough on their own