Ugin's Insight
From Modern Horizons 3 Commander set
Ugin's Insight
Sorcery
Scry X, where X is the highest mana value among permanents you control, then draw three cards.
Rulings
- Use the highest mana value among permanents you control as Ugin's Insight resolves to determine how many cards you scry.
- If X is 0, you won't scry at all. Any abilities that trigger whenever you scry won't trigger.