Cycling allows players to pay a certain mana cost (typically 1 or 2 colorless mana) and discard that card from their hand and draw a new one
It also means that if you can make it leave and reenter, you can refill your hand with whatever you want
Then, for its fifth chapter, it gives all of your other creatures a +2/+2 boost as well as the real kicker, indestructible counters which stick around, making your entire team pretty tough to defeat
1 Dualcaster Mage, and Twinflame This combo takes the top spot purely because the tokens it produces have haste
With his goofy face and tiny stats, Shroofus may look harmless, but in a dedicated Saproling deck he's absurd
My prediction: Over Ardyn, the UsurperArdyn, the Usurper Pro: I look forward to calling this guy "The Uslurper." Con: Eight mana is a lot