Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

Target player draws three cards.

{T}, Sacrifice Black Lotus: Add three mana of any one color.

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

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

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

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

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays {1}.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays {1}.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays {1}.

Search your library for a card, put that card into your hand, then shuffle.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

({T}: Add {U}.)

({T}: Add {U}.)

{T}: Add {C}.

{T}: Draw a card. Activate only if you have exactly seven cards in hand.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

{T}: Add {G}.

{T}: Add {B}.

{T}: Add {W}.

{T}: Add {R}.

{T}: Add {U}.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Take an extra turn after this one.

({T}: Add {W} or {U}.)

({T}: Add {W} or {U}.)

({T}: Add {W} or {U}.)

({T}: Add {W} or {U}.)

({T}: Add {U} or {B}.)

({T}: Add {U} or {B}.)

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Choose one --

• Target player mills four cards.

• Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn.

• Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Choose one --

• Target player mills four cards.

• Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn.

• Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Choose one --

• Target player mills four cards.

• Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn.

• Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Choose one --

• Target player mills four cards.

• Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn.

• Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)