mtg cards like birthing pod Activate only as a sorcery. Melira Leap (Pod style) -

More often than not, a player casting Time Stretch can easily lead to that player winning the game due to the significant value this provides

I mean, they don't in flavor text

MtG The Brothers' War Retro Artifacts Rare Astral Cornucopia : Add one mana of a chosen color per charge counter, boosting your mana pool

While it does cost eight mana, you can easily bring that down via Convoke

Omens of Chaos 1x Abrupt Decay ($2.10) 1x Batwing Brume ($6.90) 1x Chance for Glory ($1.81) 1x Counterflux ($0.45) 1x Growth Spiral ($0.30) Its fortunate that this particular drop comes with some very cool art featuring the main characters from the Strixhaven: Omens of Chaos novel, because the overall reprint value is fairly minimal, barely breaking $10 in total