Not many cards on this list can be used to generate card advantage, you have to combine Top with a card like Voltaic Key for it to do so or ignore oracle text for Lat-Nam's to situationally do so
(More on Vue.js later.) Once I had decided to start educating myself on Vue.js, I browsed through a bunch of online tutorials on it, and I noticed that most of them taught how to make an app that makes to-do lists
The effect is powerful, but extremely limited in use
Alternatively, there are cards out there which can let you strategically turn counters into other resources or creatures with unique spell effects that trigger when you place counters on them
It passes the "light test" and matches the snap, flexibility, and weight of official trading cards
The floodgate ability is probably for the best though, since Spawn is a sizable threat on board and turns into up to ten mana's worth of spells on the way out