[All Turns] [Once Per Turn] When this Digimon would leave the battle area by an opponent's effect, by returning 1 of your yellow Tamers to the hand, prevent it from leaving
Mismagius (Holo) - 275.00 Mismagius, the mysterious Ghost-type Pokmon, appears in a stunning holographic version
A better option in EDH most definitely, but at the same time, cascade is a little more dicey in EDH unless youre building around that or playing cards from exile
You don't get to look at the cards in your library, but if you happen to know the position of a card in your library for example, you know what you scried to the bottom of your library with Opt, or you cast Approach of the Second Sun last turn you can use that to your advantage and make sure you draw it when you need to
An opponent can respond to the token by, say, destroying the planeswalker with that ability on the stack