If the spell doesn't resolve, no part of it happens
Beyond that, you have the usual suspects when it comes to making a tight EDH mana base: Theres fetches and shocks and duals, with the surveil lands feeling better than ever in a deck with reanimation spells (though Id play them regardless)
Literally nothing happens
This differs from single-use methods of mana generation like Jeweled Lotus, often referred to as mana acceleration, though many players consider mana ramp to be a permanent version of mana acceleration
Mark Rosewater, the lead designer on MTG, usually publishes his official teasers for the set on his blog
Zenos yae Galvus (Commander) Zenos yae Galvus Rank #670 3,929decks Mar 25, 2026 Ranking Every "You Win the Game" Commander Card By Difficulty Alternate win-cons can be really fun, but challenging