Clara Oswald - [Surge Foil, Extended Art] Doctor Who (WHO) MM3 Rupture Spire enters the battlefield

Rupture Spire enters the battlefield tapped

and Voltaic Key to generate huge amounts of mana

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies

Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power

Clara Oswald - [Surge Foil, Extended Art] Doctor Who (WHO) MM3 Rupture Spire enters the battlefieldImpossible 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.)