When paired with edict effects that can force each player to sacrifice a creature, Vren is going to create an unstoppable board very quickly, and that's ignoring all the death triggers that will occur as players attack and block each other's creatures
The Magic card Aerith Rescue Mission encapsulates that choice perfectly: you can either take the elevator, giving you three 1/1 Hero Tokens (representing Cloud, Tifa, and Barrett being ready to fight), or you can take the stairs, which lets you tap and stun up to three creatures (representing their cardio-induced duress)
Which do you hate seeing on the other side of the table
Ursula reached her tentacles around Lorcana in Set Four, and Jafar now extends his staff as the new sultan of Lorcana in Set Eight
14 Yorion, Sky Nomad Do It All Again An incredibly versatile commander, Yorion cares about one thing only: enter the battlefield triggers