Your opponents will also have to play around Deadly Designs when it hits the table, holding back on casting their best creatures until the enchantment leaves play, or even paying to put counters on it so they can safely play their creatures
And Armageddon destroying all lands
I think its most interesting home could be in a Standard control deck, however - in a two color strategy with a solid manabase, this card provides card draw over a few turns , a board presence or a blocker for one life, or a Treasure token to eventually ramp into game-winning spells
While creatures put into play with Olivia are exiled if their controller doesn't control a legendary vampire, this is an excellent source of repeatable graveyard recursion
This means that we not just double the value of our auras like doubling the treasure production with Sticky Fingers, but we also get to re-use powerful ETB triggers like Cartouche of Strength, sacrifice triggers on auras like Ordeal of Nylea, and sacrifice triggers on enchanted creatures like Bequeathal