Professor's Letter (146a/162) [Alternate Art Promos] 69 then Set all face-up monsters

then Set all face-up monsters currently on the field

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 1500 Defense: 1000 This card is unaffected by the effects of Trap Cards

Set: Clash of Rebellions Card type: Quick Play Spell Rarity: Secret Rare Until the end of your next turn after this card resolves

is activated: Send 1 face-up "tellarknight" monster you control to the Graveyard

Set: Ancient Prophecy Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 2000 1 LIGHT Tuner + 1 or more non-Tuner monsters While your Life Points are higher than your opponent's

Professor's Letter (146a/162) [Alternate Art Promos] 69 then Set all face-up monstersSet: Alternate Art Promos Type: Item Rarity: Promo