If I have Azusa, Lost but Seeking and Oracle of Mul Daya in play, Id be able to play three additional lands a turn, two additional from Azusa and one more from the Oracle
Urban Evolution improves on the ability to draw three cards for 5 mana by letting you play more than one land, combining card advantage with actual ramp
010 - with hairline marks
Companion (1) Creatures (2) Planeswalkers (8) Narset, Parter of Veils x2 The Wandering Emperor x4 Teferi, Hero of Dominaria x2 Instants (18) March of Otherworldly Light x4 Censor x2 Consult the Star Charts x4 Dovin's Veto x2 Get Lost x2 No More Lies x4 Sorceries (4) Enchantments (2) Lands (26) Castle Ardenvale Deserted Beach x2 Eiganjo, Seat of the Empire Field of Ruin x2 Floodfarm Verge x4 Fountainport Geier Reach Sanitarium Hall of Storm Giants Hallowed Fountain x4 Island x2 Meticulous Archive x2 Otawara, Soaring City Plains x2 Restless Anchorage x2 Sideboard (14) Change the Equation x2 Rest in Peace x2 Test of Talents Knockout Blow x3 Kutzil's Flanker x2 Mystical Dispute Elspeth, Storm Slayer Regal Caracal x2 Above is a Pioneer Azorius Control deck, with a land count of 26
Even in a world with mana burn (where you lost life if you didnt spend all the mana in your mana pool between phases), I still cannot understand why this card saw print, let alone why the prospect of losing a few points of life was considered sufficient downside for generating 2-7 mana in a color not known for mana ramp
But you can respond to the spell being cast with the delve ability
