mtg kaalia commander deck of the Vast – Angel Demon Dragon Tribal | EDH Proxy or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent. EDH Kaalia Deck - Commander

But the best ability is the +1/+1 counter transfer to all your other legendary creatures, and that alone justifies putting it in a legendary-matters deck

My first instinct was Dream Devourer in some clunky two-card combo deck in Pioneer or Historic equivalent to Moderns Ad Nauseam plus Angels Grace, especially since an 0/3 creature doesnt have to deal with Lightning Bolt in either format, but I dont know if something to that effect exists

Pets already play a big part in lots of Lorcana cards, but this set could mean new mechanics

Simba is Rare, Tinker Bell is Super Rare, and Stitch is Legendary

Good luck experimenting with your new proxies, and have fun playing Magic with friends.