
Roku's Mastery deals X damage to target creature. If X is 4 or more, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Roku's Mastery has 1 printing, first in Avatar: The Last Airbender Eternal (2025). EDHREC ranks it #15,969 among Commander cards. It appears most in Ozai, the Phoenix King decks (697 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.