The abilities resolve and you end up with infinite +1/+1 counters on two creatures, plus the ETB and death triggers
A sinister force is conspiring to unite the Shards of Alara
In the Standard format, there are cards like Brushfire Elemental, Kazandu Mammoth, Lotus Cobra, and Valakut Exploration that will synergize nicely with Wrenn and Seven
Its nice that you can destroy anything thats not a creature or gain control of target creature, which is often better than removal and reflects Nicol Bolass manipulative flavor
Canada was at the counter of his local game store in Tennessee, umming and ahhing, trying to pick between two commanders for a new deck
Cavalier of Thorns, a mythic rare from the 2020 Core Set, has also been known to appear