2021-04-16 : Because the magecraft ability supplies an alternative cost of {1} for the spell, you cannot pay any other alternative costs that may apply. However, you may pay additional costs and must pay any additional costs that are required.

2021-04-16 : Each magecraft ability has a different effect, although they all have the same trigger condition, whenever you cast or copy an instant or sorcery spell.

2021-04-16 : For example, if you control Archmage Emeritus and cast an instant or sorcery spell, Archmage Emeritus’s magecraft ability will trigger and you will draw a card.

2021-04-16 : If an effect creates a copy of an instant or sorcery spell, this will also cause the magecraft ability to trigger.

2021-04-16 : If an effect creates multiple copies of an instant or sorcery spell, magecraft abilities trigger once for each copy created by the effect.

2021-04-16 : If you cast a spell with {X} in its mana cost using Jadzi’s magecraft ability, you must choose 0 as the value of X.

2021-04-16 : If you reveal a modal double-faced card with Jadzi’s triggered ability, and both faces are nonland, you may cast either face by paying {1} rather than its mana cost. If only the back face is a land, you may cast the front face. If both faces are lands, you will put onto the battlefield front face up.

2021-04-16 : If you’re casting the card you reveal with Jadzi’s ability, you ignore normal timing restrictions.

2021-04-16 : Putting a land onto the battlefield does not count as playing a land for the turn and doesn’t use the normal timing restrictions.

2021-04-16 : Some effects instruct you to copy an instant or sorcery card in a zone other than the stack. These copies do not cause magecraft abilities to trigger. However, most effects that do this also allow you to cast the copy, and casting the copy will cause magecraft abilities to trigger.

2021-04-16 : You may activate Jadzi’s activated ability only while Jadzi is on the battlefield. If Jadzi is no longer on the battlefield as the ability resolves, it won’t return her to your hand from any other zone.

2021-04-16 : You may choose not to cast a nonland card revealed by Jadzi’s triggered ability. If you don’t cast it, it stays on top of your library.