There are four big remaining proliferate cards to consider: the best is Yawgmoth, Thran Physician, which turns The Hollow into draw + removal and then you can spam proliferates for easy wins
The advantages also stack up , so a double-type advantage (for instance a Water attack against a Ground/Rock-type Pokmon) will net you quadruple damage
3 Celestine, The Living Saint - Forces Of The Imperium Despite the wings, halo, and a massive golden sword, Celestine, the Living Saint is a powerful human commander with tons of creative interactions with lifegain mechanics
The Rest of Shards Block I'm not going to break down Conflux and Alara Reborn Mythic by Mythic, but they follow Shard of Alara 's example
Gagaga Cowboy Say what you like about Yuma from Yu-Gi-Oh Zexal, he sure had some great extra deck cards
Its hard to know if the body will be relevant