Sudden Insight
Instant
Draw a card for each different mana value among nonland cards in your graveyard.
He sought to peer beneath the surface of the moon. Instead, he peeled back the skin of reality itself.
Danny Schwartz
Foundations Jumpstart (J25)
• #110Rulings
If a card in your graveyard has {X} in its mana cost, X is 0 when determining that card's mana value.
(wotc • 2021-07-23)
Although land cards aren't considered, nonland cards with mana value 0 are. For example if the cards in your graveyard are an artifact card with mana cost {X} and a sorcery card with mana cost {2}{U}, you'll draw two cards.
(wotc • 2021-07-23)
Rulings
If a card in your graveyard has {X} in its mana cost, X is 0 when determining that card's mana value.
(wotc • 2021-07-23)
Although land cards aren't considered, nonland cards with mana value 0 are. For example if the cards in your graveyard are an artifact card with mana cost {X} and a sorcery card with mana cost {2}{U}, you'll draw two cards.
(wotc • 2021-07-23)