Action cards such as Dragon Fire and Stampede allow you to disrupt your opponents plans by damaging and banishing their characters, while the Evasive ability of characters such as Peter Pan, Never Landing and Pongo, Ol' Rascal means you can quest safely until your opponent plays their own Evasive character able to challenge the cards
As a one-cost, it's easy to work this character in with other plays, so sometimes it's better to play Pluto alongside a two-cost character on turn three just so you can play a five-cost Nani, Protective Sister on turn four
To put it simply, you can use wildcards to craft mythics, uncommon, or any cards of the same rarity
For example, if you can get an everything counter on all your lands to make them all Locuses, Cloudpost basically doubles your mana pool