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Counter target spell. You gain 3 life.

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

Defender (This creature can't attack.)

{tap}↷: Prevent the next 1 damage that would be dealt to any target this turn.

Buyback {3 generic}3 (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Destroy target enchantment.

Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard.

Return this enchantment to its owner's hand: Draw three cards, then discard four cards.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Target opponent reveals their hand. You draw a card for each Mountain and red card in it.

Create two 1/1 white Bird creature tokens with flying.

Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Kicker {1 generic}1{green}G (You may pay an additional {1}{G} as you cast this spell.)

When this creature enters, if it was kicked, destroy target land.

Enchant creature

Enchanted creature gets +1/+2.

When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

{tap}↷: Add {colorless}C.

{tap}↷: Add {green}G or {white}W. This land deals 1 damage to you.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

As this enchantment enters, choose a color and an opponent.

White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common.

When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice this enchantment.

Prevent all damage target creature would deal this turn. That creature's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Defender

When this creature blocks, destroy it at end of combat.

Flying

This creature can block only creatures with flying.

Cumulative upkeep {2 generic}2 (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.)

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of snow lands they control.

Enchant land

You control enchanted land.

If damage would be dealt to a player, that player exiles that many cards from the top of their library instead.

Each player returns a creature they control to its owner's hand.

Enchant creature card in a graveyard

When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Put enchanted creature card onto the battlefield tapped under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets +1/+1 and doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay {1 generic}1{black}B. If the player does, untap that creature.

Shroud (This creature can't be the target of spells or abilities.)

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

{tap}↷: Counter target spell unless its controller pays {1 generic}1.

Flying

{tap}↷, Sacrifice this creature: It deals 2 damage to target attacking or blocking creature.

Tap an untapped creature you control: Untap target basic land.

Sacrifice an enchantment: You gain life equal to the sacrificed enchantment's mana value.

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

{tap}↷: Add one mana of any color that a land an opponent controls could produce.

At the beginning of combat on each opponent's turn, separate all creatures that player controls into two piles. Only creatures in the pile of their choice can attack this turn.

Flash

Enchant creature

Enchanted creature gets +1/+0 and has first strike.

Destroy all Plains.

{X}X{X}X{1 generic}1, {tap}↷: Tap X target lands.

({T}: Add {G}.)

Target player discards three cards.

Black and/or red permanents and spells are colorless sources of damage.

Reach (This creature can block creatures with flying.)

Reach (This creature can block creatures with flying.)

Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, that player discards three cards.

Morph {1 generic}1{black}B (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Kicker {4 generic}4 (You may pay an additional {4} as you cast this spell.)

Target player discards a card. If this spell was kicked, that player discards three cards instead.

Untap target artifact, creature, or land.

Draw a card at the beginning of the next turn's upkeep.

({T}: Add {U}.)

{tap}↷: Add {colorless}C.

{tap}↷: Add {red}R or {green}G. This land deals 1 damage to you.

When this creature enters, each player sacrifices all lands they control except for three.

When this creature enters, you may pay {1 generic}1{green}G. If you do, search your library for a card named Llanowar Sentinel, put that card onto the battlefield, then shuffle.

At the beginning of your upkeep, you may put a petal counter on this artifact.

{tap}↷, Sacrifice this artifact: Add X mana of any one color, where X is the number of petal counters on this artifact.

Whenever this creature deals damage to a creature, destroy that creature at end of combat.

All lands are no longer snow.

{black}B, Sacrifice a Swamp: Put a +1/+1 counter on this creature. Activate only as a sorcery.

{tap}↷, Sacrifice this artifact: Target land becomes a 3/3 artifact creature that's still a land. (This effect lasts indefinitely.)

{1 generic}1: This creature becomes the creature type of your choice until end of turn.

{2 generic}2{blue}U{blue}U: This creature gets +2/+2 and gains flying until end of turn.

All Slivers have "{2 generic}2, Sacrifice this permanent: Draw a card."

({T}: Add {R}.)

{black}B{black}B, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Flying, protection from black

Enchant creature

Enchanted creature can't attack or block.

Destroy target nonblack creature and target land. They can't be regenerated.

This creature attacks each combat if able.

At the beginning of your upkeep, put a +1/+1 counter on this creature. Then you may pay {X}X, where X is the number of +1/+1 counters on it. If you don't, tap this creature and it deals X damage to you.