Meet in Reverse — You draw cards from the bottom of your library rather than the top.Spoilers — Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song. Then River Song deals damage to that player equal to its power.
Enchant artifact or landEnchanted permanent has ": Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the...
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.
: Add one mana of any color., : Tap target artifact., : Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.), : Goad target creature. (Until your next turn, it attacks each combat if able and attacks a player other than you if able.)
Discard all the cards in your hand, then draw that many cards.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)