One Blasphemous Act and you had better have a dice bag
Is it another adventurer like you
Once a creature that has reach because of Sphere Grid's last ability has blocked a creature, removing all +1/+1 counters from that creature or causing Sphere Grid to leave the battlefield won't cause that creature to stop blocking
Through the Ages will very likely, and at long last, bring partner pairings into the Arena format thanks to Bruse Tarl, Boorish Herder, reimagined as Final Fantasy XVI's Hugo Kupka (who is not really one of the good guys, as you may guess from the card art), and Tymna the Weaver as Cecil Harvey, illustrated by the legendary Yoshitaka Amano
It's odd to see a land on this list, but that speaks volumes about just how obnoxious the power level of Modern Horizons 2 is
It even sees fringe Modern play in the occasional sideboard to Amulet Titan decks