The most important thing here is that Yorion, unlike every other card on this list so far, can target all non-lands permanents instead of simply creatures

(Search your library for a land card and put that card in your hand.) Untapping creatures Untapping lands Variable creature (This creature enters the battlefield with X +1/+1 counters.) Ward (for mana) GreenSecondary Animating Artifacts (Target/all non-creature artifact(s) you control becomes an artifact creature.) Basic land counting (Doing an effect equal to the number of basic lands of a certain type you control.) Card draw Color changing (Target/this creature becomes the color(s) of your choice until end of turn.) +N/+N (on creatures) +N/+0 (on creatures) +0/+N (on creatures) +0/+N (on spells) +0/+N (on Auras) +N/+N to your team, one-shot +N/+N to your team, ongoing "Curiosity" (Whenever this creature deals combat damage to an opponent, draw a card.) Deathtouch Defender Exiling cards from graveyard Flash Haste Hexproof Indestructible "Maro" ability (This creature's power and toughness are equal to the number of cards in our hand.) Playing cards off the top of your library, paying their mana cost (You may look at the top card of your library and if it's a [blah] you may play it.) Putting enchantments from hand onto the battlefield "Reanimation" (Return a creature card from a graveyard to the battlefield.) Rules setting Scry Treasure creation (artifact tokens with "T, Sacrifice this artifact: Add one mana of any color.") Vigilance "Warlord" (This creature's power and toughness is equal to the number of creatures you control.) GreenTertiary +N/+0 (on Auras) -N/-N (on spells) Cast spells from your graveyard

This specific oversize shares the same card art as the promo version of Eternatus Vmax
At the end of the event, it was Dredge that won
Quandrix Unlimited Blue/Green Commander: Zimone Strategy: Flood the board with fractals, hydras, and other creatures with variable stats and pummel the opponent