
Scry X, where X is the greatest mana value among permanents you control, then draw three cards.
Ugin's Insight has 3 printings, first in Battle for Zendikar (2015). EDHREC ranks it #9,309 among Commander cards. It appears most in Ulalek, Fused Atrocity decks (3,898 on EDHREC). 1 public deck on TCG runs it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.