Exquisite Blood is the only card in the game with the opposite effect , allowing you to gain life whenever an opponent loses life
The overlap designs were all things monocolor designs could capture, but the Guildmages showed that hybrid mana could allow designers to make things they otherwise couldn't
I submitted it for numerous sets but development always found a reason not to include it
1 Crescendo of War
8 Neriv, Heart of the Storm Neriv, Heart of the Storms signature ability, doubling the damage of any creature you play that same turn, creates explosive moments, especially in aggressive Mardu shells that chain together hasty threats or token bursts
In my experience, another thing that makes this one of the best commanders for combo decks is having access to all five colors, which gives you an incredible array of tools