If there are no legal targets to choose from, the target isn't changed
They'd been building out the plane, as we do on returns, and came up with a concept of each guild having a gate
The flavor angle is especially clear on cards like Daily Bugle Building and Celestine, the Living Saint, the text in italics is there to add spice to the theme
There's a lot of good ways to do this, ranging from Deranged AssistantDeranged Assistant to add mana and self-mill, to Search for AzcantaSearch for Azcanta for mill (plus some card advantage later down the line), to cantrips like Mental NoteMental Note for more synergistic milling
Heck, it can even help fix your mana (which is oh-so-important when you're splashing a third color to flash back Spider Spawning)
4) 1998 Backless Blastoise Commissioned Presentation Galaxy Star Holo Sold in January, 2021 for $360,000 Wizards of the Coast printed this extremely rare presentation card as a test run sometime during 1998 as it ramped up efforts to launch the English version of its base set in 1999