Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Target player draws four cards, then discards three cards. If you cast this spell during your main phase, instead that player draws four cards, then discards two cards.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

During your turn, this spell costs {2}{U}{U} less to cast. End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Counter target creature spell. Draw a card.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Target player draws two cards.

Draw X cards, then discard a card.

Counter target spell. Untap up to four lands.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

End the turn. (Exile all spells and abilities, including this spell. The player whose turn it is discards down to their maximum hand size. Damage heals and "this turn" and "until end of turn" effects end.)

This artifact enters tapped. {T}, Exile this artifact: Reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

At the beginning of your upkeep, put a doom counter on this artifact. At the beginning of your draw step, this artifact deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from this artifact. Any player may activate this ability but only during any upkeep step.

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Tap two untapped artifacts you control: Untap target artifact.

{T}: Put a charge counter on this artifact. {T}: Target player mills X cards, where X is the number of charge counters on this artifact.

At the beginning of your upkeep, put a time counter on this artifact. All creatures get +1/+0 for each time counter on this artifact. {3}: Remove a time counter from this artifact. Any player may activate this ability but only during any upkeep step.

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

This artifact enters tapped with a time counter on it. {T}: Add an amount of {C} equal to the number of time counters on this artifact. {4}, {T}: Time travel. Activate only as a sorcery. (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.)

Each player skips their untap step. At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.

{T}: Add {C}{C}.

Spells you cast cost {1} less to cast.

{1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar. {2}, {T}: Double the number of time counters on The Millennium Calendar. When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

At the beginning of your upkeep, put a time counter on this artifact. {1}, {T}, Sacrifice this artifact: This artifact deals damage equal to the number of time counters on it to each creature and each player.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {3}, {T}, Exile Abstergo Entertainment: Return up to one target historic card from your graveyard to your hand, then exile all graveyards. (Artifacts, legendaries, and Sagas are historic.)

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}. ({C} represents colorless mana.) {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Remove target attacking or blocking creature from combat.

This land enters tapped. {T}: Add {U}. {U}, {T}: Put an eon counter on this land. Skip your next turn. {T}, Remove an eon counter from this land and return it to its owner's hand: Take an extra turn after this one.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Add one mana of any color.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

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}: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

Play with the top card of your library revealed. You may play lands and cast spells from the top of your library.

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

When this creature enters, look at the top four cards of your library, then put them back in any order.

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it. Remove all +1/+1 counters from this creature: For each five counters removed this way, take an extra turn after this one.

{U}, {T}, Discard a card: Target player mills three cards.

Flying At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

Allons-y! — Whenever you attack, exile cards from the top of your library until you exile a nonland card. Put three time counters on it. If it doesn't have suspend, it gains suspend. Timey-Wimey — {7}: Time travel three times. Activate only as a sorcery. (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. Then do it two more times.)

Skulk (This creature can't be blocked by creatures with greater power.) Parallel Universe — Whenever this creature deals combat damage to a player, 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.)

Morph {U} When this creature is turned face up, choose one — • Remove two time counters from target permanent or suspended card. • Put two time counters on target permanent with a time counter on it or suspended card.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {2}{U}{U}, {T}, Put this creature on the bottom of its owner's library: Take an extra turn after this one. Activate only if you have the city's blessing.

If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order.

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.) Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Each player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Scry 4, then draw two cards.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way.

Flip a coin. If you win the flip, take an extra turn after this one.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.

Suspend 4—{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four 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.) Each player discards their hand, then draws seven cards.

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.) Draw a card.

Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Play with the top card of your library revealed. You may play lands and cast spells from the top of your library.

When a player casts a spell, sacrifice this enchantment. If you do, each of that player's opponents draws three cards.

Whenever a creature or land becomes tapped, put an hourglass counter on it. Each permanent with an hourglass counter on it doesn't untap during its controller's untap step. At the beginning of each player's upkeep, remove all hourglass counters from permanents that player controls.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Search your library for a Doctor card, reveal it, put it into your hand, then shuffle. II — Create a Food token and a 1/1 white Human creature token with "Doctor spells you cast cost {1} less to cast." III — Create a token that's a copy of target creature, except it's a legendary Alien named Prisoner Zero.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top five cards of your library. For each nonland card exiled this way, put a number of time counters on that card equal to its mana value. If it doesn't have suspend, it gains suspend. II — Time travel, then time travel. III — For each opponent, destroy up to one target artifact that player controls.