Fauna Shaman often gets played over Survival in cube now as it at least does something on its own
If you're casting a Room with escape, you choose which half to cast, then pay the appropriate cost plus exiling three cards
According to the game rules, the creature is treated as a new object when it re-enters, and the original target no longer exists
Just playing defensively and looking to trade cards with your opponent will naturally fill your yard and charge up payoffs like Exdeath, Cloud of Darkness and The Final Days
Two damage to each player with Niv-Mizzet, VisionaryNiv-Mizzet, Visionary in play will draw you six cards, which is not bad for three mana
On the flip side, opposing creatures that die are exiled instead, shutting down enemy recursion and death triggers