River Song's Diary (Extended Art) [WHO - 460] Land Flavor: "It's not a matter

Flavor: "It's not a matter of what I know

If those cards completely cover Cover the Spot

Equipped creature gets +2/+2 and has deathtouch and lifelink

but he wasn't above taking a more direct approach

River Song's Diary (Extended Art) [WHO - 460] Land Flavor: "It's not a matterRarity: 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.