You can do it over and over until youve got enough loyalty to ultimate Estrid and get back all the enchantments in your graveyard
Sure, Ill pay 1UU for Mystic Confluence and then put it in my hand
Recursion Hazezon, Shaper of Sand Desertwalk (This creature can't be blocked as long as defending player controls a Desert.) You may play Desert lands from your graveyard
Although it has the same little problem like History of Benalia had, when your third chapter doesn't matter much if you don't have an established board, the first two levels are still enough to make this a viable option
(This card can attack on the turn in which it is played.) Card Set(s) -Kingdoms of Intrigue- [OP-04] CARD VIEW OP04-001 | L | LEADER Nefeltari Vivi (Parallel) Attribute Slash Block Icon 1 Effect This Leader cannot attack
That said, its still quite powerful, and arguably easier to tutor out with cards like Urza's Saga