Cataclysm Oath by Matteo Gallo

Main Deck

Cataclysm
Sorcery
Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.
Oath of Druids
Enchantment
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.
Terravore
Creature — Lhurgoyf
Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.
Sphere of Resistance
Artifact
Spells cost more to cast.
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
Cataclysm
Sorcery
Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.
Oath of Druids
Enchantment
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.
Terravore
Creature — Lhurgoyf
Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.
Sphere of Resistance
Artifact
Spells cost more to cast.
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
Cataclysm
Sorcery
Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.
Oath of Druids
Enchantment
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.
Terravore
Creature — Lhurgoyf
Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.
Sphere of Resistance
Artifact
Spells cost more to cast.
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
Cataclysm
Sorcery
Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.
Oath of Druids
Enchantment
At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.
Terravore
Creature — Lhurgoyf
Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.
Sphere of Resistance
Artifact
Spells cost more to cast.
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
Exalted Angel
Creature — Angel
Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Mox Diamond
Artifact
If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
: Add one mana of any color.
Sylvan Library
Enchantment
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.
Rishadan Port
Land
: Add .
, : Tap target land.
Windswept Heath
Land
, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
Exalted Angel
Creature — Angel
Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Mox Diamond
Artifact
If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
: Add one mana of any color.
Sylvan Library
Enchantment
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.
Rishadan Port
Land
: Add .
, : Tap target land.
Windswept Heath
Land
, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
Exalted Angel
Creature — Angel
Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Mox Diamond
Artifact
If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
: Add one mana of any color.
Enlightened Tutor
Instant
Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.
Rishadan Port
Land
: Add .
, : Tap target land.
Windswept Heath
Land
, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
Ray of Revelation
Instant
Destroy target enchantment.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Seal of Cleansing
Enchantment
Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.
Enlightened Tutor
Instant
Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.
Rishadan Port
Land
: Add .
, : Tap target land.
Windswept Heath
Land
, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.
Wasteland
Land
: Add .
, Sacrifice Wasteland: Destroy target nonbasic land.
Treetop Village
Land
Treetop Village enters the battlefield tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Brushland
Land
: Add .
: Add or . Brushland deals 1 damage to you.
Forest
Basic Land — Forest
(: Add .)
Plains
Basic Land — Plains
(: Add .)
Wasteland
Land
: Add .
, Sacrifice Wasteland: Destroy target nonbasic land.
Treetop Village
Land
Treetop Village enters the battlefield tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Brushland
Land
: Add .
: Add or . Brushland deals 1 damage to you.
Forest
Basic Land — Forest
(: Add .)
Plains
Basic Land — Plains
(: Add .)
Wasteland
Land
: Add .
, Sacrifice Wasteland: Destroy target nonbasic land.
Treetop Village
Land
Treetop Village enters the battlefield tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Brushland
Land
: Add .
: Add or . Brushland deals 1 damage to you.
Forest
Basic Land — Forest
(: Add .)
Plains
Basic Land — Plains
(: Add .)
Wasteland
Land
: Add .
, Sacrifice Wasteland: Destroy target nonbasic land.
Treetop Village
Land
Treetop Village enters the battlefield tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Treva's Ruins
Land — Lair
When Treva's Ruins enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.
: Add , , or .
Forest
Basic Land — Forest
(: Add .)
Plains
Basic Land — Plains
(: Add .)

Side

Abeyance
Instant
Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities.
Draw a card.
Abeyance
Instant
Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities.
Draw a card.
Circle of Protection: Red
Enchantment
: The next time a red source of your choice would deal damage to you this turn, prevent that damage.
Circle of Protection: Red
Enchantment
: The next time a red source of your choice would deal damage to you this turn, prevent that damage.
Cursed Totem
Artifact
Activated abilities of creatures can't be activated.
Cursed Totem
Artifact
Activated abilities of creatures can't be activated.
Seal of Cleansing
Enchantment
Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.
Seal of Cleansing
Enchantment
Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.
Tormod's Crypt
Artifact
, Sacrifice Tormod's Crypt: Exile target player's graveyard.
Tormod's Crypt
Artifact
, Sacrifice Tormod's Crypt: Exile target player's graveyard.
Argivian Find
Instant
Return target artifact or enchantment card from your graveyard to your hand.
Naturalize
Instant
Destroy target artifact or enchantment.
Phyrexian Furnace
Artifact
: Exile the bottom card of target player's graveyard.
, Sacrifice Phyrexian Furnace: Exile target card from a graveyard. Draw a card.
Ray of Revelation
Instant
Destroy target enchantment.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Sylvan Library
Enchantment
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.