Returning Mechanic: Double-Faced Cards Double-faced cards are making a return, with some mechanical changes to how they work
Between this and the philosophy that multicolor cards can draw upon multiple parts of the color pie for their effects, the roles of multicolor cards are somewhat more malleable than those of their monocolor counterparts, as recently demonstrated by Wizards of the Coast when designing the colleges of Strixhaven
Being somewhat limited in scope is fine, if your deck is doing anything with counters this is basically an auto-include
Full custom art mtg alters are forbidden in tournaments, because a lot of players have a great lack of proper information, as a result these cards tend to be denied
In a strange twist, Shilgengar, Sire of Famine can use an angel to eventually bring back a massive amount of creatures
"When a creature with Enlist attacks, you can tap another creature you control without summoning sickness to add its power to the attacking creatures