MenaceMyriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
History Teacher — Sagas you control have read ahead. (As a Saga enters, choose a chapter and start with that many lore counters. Skipped chapters don't trigger.)Doctor's companion (You can have two commanders if the other is the Doctor.)
As a historic permanent you control enters, it becomes a 7/7 Dinosaur creature in addition to its other types. (Artifacts, legendaries, and Sagas are historic.)
Impossible Girl — If Clara Oswald is your commander, choose a color before the game begins. Clara Oswald is the chosen color.If a triggered ability of a Doctor you control triggers, that ability triggers an additional time.Doctor's companion (You can have two commanders if the other is the Doctor.)
When The Cyber-Controller enters, each opponent mills X cards. Put all creature cards milled this way onto the battlefield face down under your control. They're 2/2 Cyberman artifact creatures.Other artifact creatures you control get +1/+1.
Enchant creatureEnchanted creature is goaded.If enchanted creature would deal combat damage to a permanent or player, it deals double that damage instead.: Return The Sound of Drums from your graveyard to your hand.
Until end of turn, if one or more creatures would enter from exile or after being cast from exile, their owners shuffle them into their libraries instead.Cycling (, Discard this card: Draw a card.)
FlyingWhenever TARDIS attacks, if you control a Time Lord, the next spell you cast this turn has cascade and you may planeswalk.Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
Skulk (This creature can't be blocked by creatures with greater power.)Parallel Universe — Whenever Time Beetle deals combat damage to a player, time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)
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.