At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
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.)
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
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.
At the beginning of your end step, goad up to one target creature you don't control and put a +1/+1 counter on Renegade Silent. Renegade Silent phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)
Paradox — Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature.Team TARDIS — At the beginning of your end step, untap each creature you control with a counter on it.
Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this...
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.
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.
: Add one mana of any color., : Untap another target artifact., : Scry 1. (Look at the top card of your library. You may put that card on the bottom.), : Target creature can't be blocked this turn.
MenaceAt the beginning of your end step, create a 3/3 black Dalek artifact creature token with menace if an opponent lost 3 or more life this turn. Then each opponent who lost 3 or more life this turn faces a villainous choice — You draw a card, or that player discards a card.