When it enters, you have the option to bounce any permanent
Gogo, Master of Mimicry is a great, bizarre choice
There are also plenty of (especially white) cards which will directly or indirectly reward the Group Hug player for their gift-giving, from Wedding Ring to Smothering Tithe to Charismatic Conqueror
Errant and Giada: If youre wanting to focus more on Flash creatures, this pair from New Capenna can join Sonic on his anarchic quest, adding spray painting and angel wings to team Sonic
It lacks some of the glamour and broader appeal the other enchanted cards on this list have in spades, and playability-wise its not the strongest
Vexilus Praetor can offer commanders the powerful Aegis of the Emperor for protection from everything at flash speed, with the possible downside of protecting your commander from your own equipment and auras