Even though Wither creatures largely come from the original Shadowmoor block, it felt best to mention them alongside Infect since they're so similar
Not only is Yuna excellent for ramping up your board state with more powerful creatures, but Yuna ensures that any buffed creatures don't go to waste, repeatedly recycling counters to summon an overwhelming stream of powerful beasts
Tons of decks have ways to reach into the graveyard, so if you discard the right cards, this cards ability no longer has a drawback
This has made those two-drop Gramma Talas from set one even more powerful as they now act as a Shift target to reduce the big Gramma Tala, Spirit of the Oceans cost but also they can activate its abilities and will also force your opponents to help you ramp by removing them from the board early game to stop you from shifting and allowing you to eek out more ink advantage
Hydras ended up being the perfect match for their feral nature, connection to the wilds, and their embodiment of growth through a growing number of heads
My original cards are a mix of many different sets and conditions, and these I will keep forever