The permanent you bring out from the graveyard is still sent to the graveyard again when it leaves, allowing Muldrotha to let you recast it again to keep all permanents in rotation so long as they don't get exiled
For three mana, he can tap and put a Green and White Elf Warrior creature token into play
Best Play Cards from Exile Payoffs Part of this archetypes power comes from its enablers also acting as payoffs, which I suppose youd expect from a modern archetype
Mystical Archive cards You can get the global Mystical Archive cards while playing Limited (Draft or Sealed), when you purchase packs from the MTG Arena store, or by using Wildcards of the appropriate rarity to craft
Tap an opposing creature before or during your declare attackers step so that it can't block
If they don't have those Claims in hand, it's an all-but guaranteed loss