Of course, as Commander grew in popularity, so too did the popularity of prevalence of this monowhite lifegain card that fits perfectly into a lifegain-focused Cat deck, for which there are myriad synergies (many of which can be found here)
Trostani, Three Whispers Savage Knuckleblade numbers are always welcome, and Trostani, Three Whispers will make your opponent regret they let you get to a big board stall
In a four-player casual game though, I never want to be the person who throws down a card that singularly reduces a players expected win rate to close to zero, especially one that can come down for only three mana Commander deck-building is much more than just building a synergistic whole and playing the best interaction or hate cards in your colors
Cemetery Reaper, Death Baron, Lord of the Accursed, Narfi, Betrayer King, and Tomb Tyrant each give other Zombies +1/+1 along with other benefits
Let's take a quick look at what each deck does: Basri, Devoted Paladin Play a bunch of creatures and smother them in +1/+1 counters