(Create an Incubator token with X +1/+1 counters on it and " : Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) At the beginning of each end step, if a Phyrexian died under your control this turn, proliferate
Rendmaw, Creaking Nest Rendmaw, Creaking Nest triggers with a ton of cards like the popular Solemn Simulacrum, Dryad of the Ilysian Grove, and Bitterblossom
As the card pool keeps changing, popularity fluctuates depending on the season
To start the combo, you will need to have Doubling Season on the battlefield along with Ichormoon Gauntlet as well and have enough mana to cast Jace, Cunning Castaway
You can play with basic snow lands only if you open them in your sealed deck or draft them
What sets Sylvan Safekeeper apart from the rest is the ability to cheaply and instantaneously give shroud to any of your creatures, which effectively blanks your opponents' removal as long as Safekeeper sits in play