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.
Negative — As long as K-9, Mark I is untapped, other legendary creatures you control have ward .Affirmative — , : Target legendary creature can't be blocked this turn.Doctor's companion (You can have two commanders if the other is the Doctor.)
: 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.)
: Target creature an opponent controls with power less than or equal to The Master's power gains skulk until end of turn. Goad it. (A creature with skulk can't be blocked by creatures with greater power.)Whenever a creature with skulk deals combat damage to one of your opponents, put a +1/+1 counter on The Master and draw a card.
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.
Negative — As long as K-9, Mark I is untapped, other legendary creatures you control have ward .Affirmative — , : Target legendary creature can't be blocked this turn.Doctor's companion (You can have two commanders if the other is the Doctor.)