Traditionally, cards had protection from colors only, but weve seen protection expand to protection from instants, protection from creatures, and even Progenituss protection from everything. Protections specific rules have changed a few times over the course of Magics history
(Players have been able to evolve Abra directly to the Stage 2 Alakazam as a result, skipping its Stage 1 evolution - the only Pokmon card able to do so.) Behind the Pokmons disappearance was a 60 million lawsuit filed in November 2000 by illusionist Uri Geller, who alleged that the Pokmon - known as Yungerer in Japanese - had made use of his name and likeness, including his spoon-bending act
In the Commander variant, if a commander is part of a merged creature, the resulting creature is a commander
If you havent prioritized these cards previously, they must not be that critical to your collection
Teval enables this quite simply
Beyond just tanking damage, damage redirection works wonders with Anti-Venom