You need minimum four swamps in play before this starts netting mana, but the mana advantage gets better and better with every land you play
There are a number of longstanding franchises that encapsulate collectibles as a pillar of their business model, but few have reached the level of product placement and nostalgia of Pokmon
Notably I was able to kick off the first round with an As Foretold accelerated with double Simian Spirit Guide, and Echoing Truth definitely targeted the full spectrum of permanent types
That nuance can be beneficial or detrimental, but in the current Modern, I'd say it's generally a plus
Entwine lets you have both ways, but for another 3R
It digs for planeswalkers whenever it or one of them dies, ensuring you never run out