Clara Oswald

Strategy & Gameplay

Clara Oswald represents a compelling inclusion for players looking to build around Doctor-themed strategies in Commander and other eternal formats. This legendary human advisor serves as a secondary commander option when paired with any Doctor creature, thanks to the Doctor's companion mechanic that allows two commanders in the same deck. The six-mana investment upfront is offset by her powerful triggered ability duplication effect, which causes all triggered abilities from your Doctor creatures to trigger an additional time. This creates exponential value generation, particularly in decks built around Doctors with repeatable triggered abilities that generate card draw, token creation, mana acceleration, or board control effects. The Impossible Girl ability grants Clara color flexibility when serving as your primary commander, allowing you to construct mono-color or dual-color strategies that might otherwise be restricted by traditional color requirements. Strategically, Clara Oswald fits into midrange and control shells that prioritize value accumulation over aggressive early-game pressure. She synergizes exceptionally well with Doctor creatures that feature enters-the-battlefield triggers, activated abilities that create triggers, or any mechanic that uses the stack repeatedly. Players appreciate her ability to transform otherwise incremental value into a game-winning advantage through doubling effects, making her particularly attractive in long-game formats where additional triggers mean additional resources. Legal across Legacy, Vintage, Commander, Oathbreaker, and Duel formats, Clara Oswald offers versatility for players invested in Doctor tribal or cross-format utility strategies seeking powerful late-game payoffs.