Professor's Letter (123/146) (League Promo) [XY: Base Set] Green Set: Morningtide Type: Tribal Sorcery

Set: Morningtide Type: Tribal Sorcery — Rogue Rarity: Rare Cost: {5}{U}{U} Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue

Set: From the Vault: Dragons Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

Those players put the exiled cards onto the battlefield

Set: Planechase Anthology Type: Enchantment Rarity: Uncommon Cost: {2}{W} Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Professor's Letter (123/146) (League Promo) [XY: Base Set] Green Set: Morningtide Type: Tribal SorcerySet: XY: Base Set Type: Item Rarity: Promo