Rhythm of the Wild makes it so your creatures cant be countered and gives them all riot, letting you choose to give them haste or a +1/+1 counter which is nice depending on the board
There are plenty of other possible ways to use Purphoros, such as with token making, which pays you from both of his abilities
If heads, search your deck for any one card and put it into your hand
Your options range from white recursion, to a bunch of utility artifacts, to a few good red cards that can do the job
x2 Thundurus EX: -Well, it has a solid one for 30 that attaches an energy from my discard pile to my bench Pokemon
When Clives Hideaway hits the board, its owner looks at the top 4 cards of their library, picks a legendary creature from those cards, and tucks it away for safekeeping