When it comes to protecting a single creature, I like three or four protection spells
Unfortunately, due to the banning of Cauldron Familiar, Rakdos Sacrifice isnt viable in Standard anymore
I really recommend it to anyone who gets the opportunity
Sure, it has breaks like needing a Time Lord out or 12 Time counters, but this is worth it, it's in the color of proliferate, and you aren't taking a turn off for it ETB tapped since you can tap it right then there
The proc is unpredictable and very narrow and while both damage and life are quite all round good things to have they are at complete cross purpose to one another making one half of the proc of very minor benefit every time
Seshiro the Anointed Snake tribal doesnt get much better than Seshiro the Anointed