Legendary Creature - Druid Plant Color tag templates(None) Cathars' Crusade Whenever a creature you control enters, put a +1/+1 counter on each creature you control
Yorion, Sky Nomad is a solid blink card in the 99 of a Commander deck, and it really shined in Modern
I also want to note that when you do a Premier Draft, you will play games against other Premier Drafters, so you do not have to worry about facing an opponent who has just drafted an insane deck in Quick Draft by exploiting the bots
So, to make this work, run Reliquary Tower and other ways to keep from discarding, on the sly, and then run things like cheap spells and permanents to keep you up in your colors
If that's Ulamog, which seems likely, it will enter with ten +1/+1 counters on it