River Song's Diary (Extended Art) [WHO - 460] Land Disciple of History or another

Disciple of History or another legendary creature enters the battlefield under your control

swarm piper

When Dunland Crebain enters the battlefield

Flavor: Phyrexia's largest goliaths stormed Ikoria

but he wasn't above taking a more direct approach

River Song's Diary (Extended Art) [WHO - 460] Land Disciple of History or anotherRarity: R #: 460 Creature Type or Sub Type: Artifact Rules Text Contains: Imprint Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.