Twenty Lessons [Unknown Event] Eldritch Moon Promos Patient Professor enters the battlefield

Patient Professor enters the battlefield or attacks

Set: Modern Horizons 3 Prerelease Promos Type: Creature — Eldrazi Elemental Rarity: Rare Cost: {7} When you cast this spell

Set: Phyrexia: All Will Be One Commander Type: Artifact — Equipment Rarity: Uncommon Cost: {4} Equipped creature gets +2/+2 and has infect

Set: The Lord of the Rings: Tales of Middle-Earth Prerelease Promos Type: Legendary Creature — Halfling Peasant Rarity: Rare Cost: {G}{W} Whenever another nontoken creature enters the battlefield under your control

you may search your library for a creature card with toughness 2 or less

Twenty Lessons [Unknown Event] Eldritch Moon Promos Patient Professor enters the battlefieldSet: Unknown Event Rarity: Uncommon Cast a random Lesson spell without paying its mana color. If that spell has X in its mana cost, X is 3. (As of today, there are 20 lessons. Perhaps look up a list and roll a d20?)