When Gallifrey Council Chamber enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.): Add .: Add one mana of any color. Spend this mana only to cast a Time Lord or Alien spell or activate an ability of a Time Lord or Alien.
Partner with Rory Williams (When this creature enters, target player may put Rory into their hand from their library, then shuffle.)Whenever Amy Pond deals combat damage to a player, choose a suspended card you own and remove that many time counters from it.Doctor's companion (You can have two commanders if the other is the Doctor.)
Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)When Adipose Offspring enters, create a 2/2 white Alien creature token. If Adipose Offspring's emerge cost was paid, instead create X of those tokens, where X is the sacrificed creature's toughness.
If you would planeswalk, instead look at the top two cards of your planar deck, put one on the bottom of your planar deck and the other on top, then planeswalk.: Add .Doctor's companion (You can have two commanders if the other is the Doctor.)
Gallifrey Falls deals 4 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.Fuse (You may cast one or both halves of this card from your hand.)Any number of target creatures you control phase out.Fuse (You may cast one or both halves of this card from your hand.)
When Grasp of Fate enters, for each opponent, exile up to one target nonland permanent that player controls until Grasp of Fate leaves the battlefield. (Those permanents return under their owners' control.)
Paradox — Impending Flux deals X damage to each opponent and each creature they control, where X is 1 plus the number of spells you've cast from anywhere other than your hand this turn.Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)