Because once we're flickering Archaeomancer rather than recasting her from the Graveyard each turn, we can just cast Magma Opus over and over and do the rest of the damage
This is decent card selection, and Flashing it back triggers 4-mana payoffs
Heres how a list might look like, inspired by Daniele Ingallineras Top 8 list at the online MagicFest: Creatures (4) Lands (29) Spells (27) 4 Opt 4 Expansion 4 Growth Spiral 4 Wilderness Reclamation 2 Aether Gust 1 Mystical Dispute 1 Scorching Dragonfire 2 Storm's Wrath 3 Thassa's Intervention 2 Boon of the Wish-Giver Sideboard In this list, there are four Opts and two Boons, but its definitely possible these numbers could be swapped or even increased to four copies of each in the future, depending how things shape up
Once sparked, Liliana, Defiant Necromancer can do her best at controlling the resources both players have access to, but too many decks in the format are already able to function with few things to do
Some enchantments don't pair well with colors that let you ramp your mana meaning you don't always live long enough to play them