Trample Whenever you cast a historic spell, Jamie McCrimmon gets +X/+X until end of turn, where X is that spell's mana value. (Artifacts, legendaries, and Sagas are historic.) Doctor's companion (You can have two commanders if the other is the Doctor.)

Aeon Chronicler's power and toughness are each equal to the number of cards in your hand. Suspend X—{X}{3}{U}. X can't be 0. Whenever a time counter is removed from this card while it's exiled, draw a card.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis to its owner's hand.

Draw four cards, then put two cards from your hand on top of your library in any order.

Draw three cards.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever this creature deals combat damage to a player, draw that many cards.

Draw two cards. Exile Inspiring Refrain with three time counters on it. Suspend 3—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Choose one — • Counter target spell unless its controller pays {4}. • Draw two cards.

Whenever this creature deals combat damage to a player, draw a card.

Choose one — • Counter target spell. • Surveil 2, then draw two cards. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Whenever you cast an instant or sorcery spell, you may put a charge counter on this creature. Whenever this creature deals combat damage to a player, you may draw X cards, where X is the number of charge counters 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 counter.)

Replicate {1} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Counter target triggered ability or colorless spell.

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {G}.)

As this land enters, you may reveal a Forest or Plains card from your hand. If you don't, this land enters tapped. {T}: Add {G} or {W}.

({T}: Add {U}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped. {T}: Add {G}, {W}, or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {G} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {G} or {W}.

This land enters tapped. As it enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

This land enters tapped. As it enters, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

This land enters tapped. As it enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

{T}: Add {U}. Put a time counter on Trenzalore Clocktower. {1}{U}, {T}, Remove twelve time counters from Trenzalore Clocktower and exile it: Shuffle your graveyard and hand into your library, then draw seven cards. Activate only if you control a Time Lord.

Prevent all combat damage that would be dealt this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Prevent all combat damage that would be dealt to players this turn.

Enchant permanent Enchanted permanent has hexproof. When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

Choose one — • Prevent all combat damage that would be dealt this turn. • Regenerate target creature. • Counter target spell that targets you.

Prevent all combat damage that would be dealt to players this turn.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

Prevent all damage that would be dealt by creatures this turn.

Prevent all combat damage that would be dealt this turn.

Prevent all combat damage that would be dealt this turn. Cycling {3} ({3}, Discard this card: Draw a card.)

Prevent all combat damage that would be dealt this turn.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

Prevent all combat damage that would be dealt this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Cast this spell only during combat. Your opponents can't cast spells this turn. End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

Vigilance, ward {1} {T}: Another target creature you control gains protection from the card type of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that type.)

Prevent all combat damage that would be dealt this turn. Clash with an opponent. If you win, creatures that player controls don't untap during the player's next untap step. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Prevent all combat damage that would be dealt this turn.

Flash When this creature enters, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

Prevent all combat damage that would be dealt by creatures other than target creature this turn.

{1}, {T}: Add {W}{U}.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Draw a card. You may put a land card from your hand onto the battlefield.

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle. Prevent all combat damage that would be dealt this turn.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{1}{G}, {T}, Return Shigeki to its owner's hand: Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard. Channel — {X}{X}{G}{G}, Discard this card: Return X target nonlegendary cards from your graveyard to your hand.

{1}, {T}: Add {G}{U}.

{T}: Add {C}. {T}: Add {G} or {U}. This artifact deals 1 damage to you.

Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. +1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. −3: Return target card from your graveyard to your hand.

Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on their choice of the top or bottom of their library.

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

+1: Create three 1/1 white Soldier creature tokens. −3: Destroy all creatures with power 4 or greater. −7: You get an emblem with "Creatures you control get +2/+2 and have flying."