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Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a ...

Negative — As long as K-9 is untapped, other legendary creatures you control have ward {1}. Affirmative — {1}{U}, {T}: Target legendary creature ca...

Choose up to four target creatures you don't control. For each of them, that creature's controller faces a villainous choice — That creature become...

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Water Always Wins — Whenever this creature attacks, put...

You may have this creature enter as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (...

Creatures your opponents control have base power and toughness 0/1 until end of turn.

Five Hundred Year Diary enters tapped. {T}: Add {U} for each Clue you control. {2}, Sacrifice Five Hundred Year Diary: Draw a card.

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 i...

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Creatures you control have "Whenever o...

Turn target creature face down. It's a 2/2 Cyberman artifact creature.

Enchant noncommander creature You control enchanted creature. Enchanted creature gets +2/+2 and can't be blocked unless it's attacking its owner or...

You may have this creature enter as a copy of any creature on the battlefield, except it isn't legendary, is an artifact in addition to its other t...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II, III — Reveal cards from the top of your library unt...

{T}: Add {C}. Spend this mana only to cast an artifact spell or activate an ability of an artifact. Paradox — Whenever you cast a spell from anywhe...

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.) Stor...

{2}{U}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. Ultimate Sacrifice — {1}{U}, Sacrific...

Whenever a Mutant, Ninja, or Turtle you control enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a...

If a player drawing a card causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Whenever a p...

If one or more tokens would be created under your control, those tokens plus a Mutagen token are created instead. Partner—Character select (You can...

Whenever a Mutant, Ninja, or Turtle you control enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your li...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your li...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your li...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.