Vigilance is a huge deal, and with token producers like Increasing Devotion, Beregond can knock players out quickly
They have become notorious as thieves and raiders, and so far, no one has been able to stop them
You do have emotes where you can congratulate an opponent on a win and other such one liners, but generally even though the game is called MTG: Arena and it is an online game with real life opponents, as you play you barely even make that connection
In addition, if you have access to Arclight Phoenix and Runaway Steam-Kin, Runaway-Red is a viable choice in Modern that adopts a more midrange strategy than traditional Burn decks
You may reveal a Cleric card, a Rogue card, a Warrior card, and/or a Wizard card from among them and put those cards into your hand