Changing pace a bit, you have Elsha, Threefold Master to go more in the token approach
Our creatures mutated, formed parties, and partnered with other commanders
When chaos ensues, cards can't enter the battlefield from exile this turn
That wont stop them from trying of course, but at least you get to pull out your once-allowed well, actually in your turn
Small though it may be, Reflector Mage had a powerful effect on Standard: if your creature didnt do something when it entered play, you effectively wasted your turn
Seeing people playing 80+ card decks in Standard was a bizarre experience, although this feeling of disbelief was often overshadowed by crushing defeat as Yorion derailed the entire match with its impressive flicker ability