You have no maximum hand size.Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice any number of artifacts. When you sacrifice one or more artifacts this way, tap up to that many target creatures and draw that many cards.Doctor's companion (You can have two commanders if the other is the Doctor.)
HasteWhenever Bessie attacks, another target legendary creature can't be blocked this turn.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.)
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.
Draw two cards, then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. Then target opponent does the same. Cards exiled this way that don't have suspend gain suspend.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...
When Gallifrey Stands enters, return all Doctor cards from your graveyard to your hand.At the beginning of your upkeep, you may put a Doctor creature card from your hand onto the battlefield. Then if you control thirteen or more Doctors, you win the game.
The first spell you cast from anywhere other than your hand each turn has demonstrate. (When you cast that spell, you may copy it. If you do, choose an opponent to also copy it. A copy of a permanent spell becomes a token.)Whenever you copy a spell, put a +1/+1 counter on The Twelfth Doctor.
