If you have a powerful idea, you can have the mana to support building it
What makes for an interesting deckbuilding exercise, though, is that any and all cards in your deck have to be completely colorless
Each card has its own story, like the Pikachu Illustrator celebrating pure artistic talent or the Shadowless Charizard marking a cool era in the TCGs journey
Yarok's Fenlurker is the next option, but as a Modern player I bring in my playset of Brain Maggot more often than not when I need selected disruption
When Pako attacks, each opponent exiles the top card of their library with a fetch counter on it
In the case of Boon-Bringer Valkyrie, it also gains flying, first strike and vigilance until the end of the player's turn