mtg hug cards A Group Card a Day Until the end of your next turn Hugs, Grisly Guardian · Bloomburrow

Its also worth mentioning that this doesnt just happen during your turn, but each turn, so if you have anything that allows you to cast spells from exile on your opponents turns this would trigger then as well

That can be useful to get multiple opponents to fight each other off

A few have shown up in black, like Enslave, or on gold creatures like Dragonlord Silumgar

I cant tell if Id rather have the rabbit archer as a Selesnya tokens commander over Cadira, Caller of the Small or Trostani, Selesnya's Voice, but maybe

Give your tokens a little Zombie loving with Zombie lords

Not to mention all of the shenanigans you can pull in Golgari MTG colors by dropping artifacts on the table while your opponents are focused on your army of spiders