https://www.facebook.com/...-duel-commander/may-2020-rules-bannedrestricted-update/2674101959507361/
Changes:
Rules changes:
No changes.
Individual card changes:
Lutri, The Spellchaser is now banned.
Deflecting Swat is now banned.
Fierce Guardianship is now banned.
High Tide is now banned.
Capture of Jingzhou is now banned.
Temporal Manipulation is now banned.
Time Warp is now banned.
Cavern of Souls is now banned.
Field of the Dead is now banned.
Wasteland is now banned.
Lion's Eye Diamond is now banned.
Gifts Ungiven is now legal.
Jace, Vryn's Prodigy is now legal as commander.