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
That would inevitably lead to me playing Opalescence and then finding some level 1 judge and asking them to explain the interaction to me
In such event, the other party will be required to present evidence and legal argument as the arbitrator(s) may require for the making of an award
Wayta, Trainer Prodigy Wayta, Trainer Prodigy is a full-on fight commander, though how you use it is up to you
This card features a gigantic Gengar sucking everything in the surrounding area into his massive mouth, which is completely on-theme for Gengar
A PSA 10 carries a premium over raw, but on a card at this price point the cost of grading eats much of the upside