When Roalesk dies, proliferate, then proliferate again
With flashback added in, it's a handy landfall enabler that keeps givingeven from the graveyard
I use both to tackle specific balance issues in cube design and as such they are exceptions to my general rule of avoiding sideboard cards
The central conflict revolves around the systems sun, which a zealous faction called the Monoists collapsed into a supervoid, a black hole that has thrown the system into chaos
That ties nicely with the second ability, which creates a 1/1 for each legendary enchantment you control (all shrines, basically)
It's rarely worth it for an opponent to waste targeted removal first on the Cloak, and then on the creature, forcing them to commit to a board wipe to truly remove it