Being able to Crop Rotation away a Basic Forest or a Shockland on T1 into a Nykthos or Gaeas Cradle remains an insanely good play, and its a tutor that remains good throughout the game, thanks to the ability to grab anything from a Wasteland to a Witchs Clinic
Instead we leverage a punisher strategy while laying waste to the battlefield, only to watch our fliers rise from the ashes
When a major price rise occurs, we're usually looking for a new card or deck that's boosted its power level, or at least a popular content creator that's highlighted the card
Sol Ring is ubiquitous across every release, and Arcane Signet is in all but the Commander Legends decks
Karn, the Great Creator might be controversial if your group leans heavily on artifact mana sources, but I actually have it here for the other two abilities: making artifacts into creatures lets Satya copy them, and the normally-dead wish activation can actually be used to loop Gontis Aether Heart, assuming you can proliferate enough loyalty and energy counters to keep that going
Oblivion Ring So, including Command Tower and Sol Ring, the desirable card count pumps up to 19