Taigam, Ojutai Master (Serialized) [Multiverse Legends] Action Points Dungeon Masters will discover a

Dungeon Masters will discover a rich hoard of new tools and information for designing dragon-themed encounters

so they must embark on an adventure and fulfill his assignments for otherwise all hope dies

Set: Wilds of Eldraine: Enchanting Tales Type: Enchantment Rarity: Rare Cost: {4}{G} If one or more tokens would be created

Set: Commander Legends: Battle for Baldur's Gate Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your precombat main phase

The first player to reach a specified amount (usually five)

Taigam, Ojutai Master (Serialized) [Multiverse Legends] Action Points Dungeon Masters will discover aSet: Multiverse Legends Type: Legendary Creature Human Monk Rarity: Rare Cost: {2}{W}{U} Instant, sorcery, and Dragon spells you control can't be countered. Whenever you cast an instant or sorcery spell from your hand, if Taigam, Ojutai Master attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)