You gain 2 life for each card in your graveyard. Flashback {9}{W}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Earthquake deals X damage to each creature without flying and each player.

Fault Line deals X damage to each creature without flying and each player.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return all basic land cards from all graveyards to the battlefield tapped under their owners' control.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

The next time a source of your choice would deal damage this turn, that damage is dealt to that source's controller instead.

Whenever a player discards a card, you may pay {W}. If you do, create a 1/1 white Spirit creature token with flying.

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Destroy target tapped creature.

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

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

This land enters with three mining counters on it. {T}, Remove a mining counter from this land: Add one mana of any color. If there are no mining counters on this land, sacrifice it.

{T}: Add {C}. {0}: Return this land to its owner's hand. Activate only if it's not your turn.

({T}: Add {R}.)

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

({T}: Add {W}.)

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {W}{W}. If there are no depletion counters on this land, sacrifice it.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {R}{R}. If there are no depletion counters on this land, sacrifice it.

When this creature blocks a creature, destroy both creatures.

Sacrifice this creature: Target creature you control gains protection from the color of your choice until end of turn.

Whenever a player discards a card, you may gain 1 life.

{W}, {T}: Target permanent you control gains protection from instant spells and from sorcery spells until end of turn.

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

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

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever another creature enters, you gain 1 life.

Defender (This creature can't attack.) Whenever this creature is dealt damage, you gain that much life.

Flashback costs you pay cost {2} less. Flashback costs your opponents pay cost {2} more.

Protection from red {W}: Target creature gains protection from red until end of turn.

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

This artifact enters tapped. {T}: Add {R}.

When this creature enters, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

{R}, {T}: Destroy target artifact. That artifact deals damage equal to its mana value to this creature.

{3}, {T}: Untap target creature.

{W}, {T}: Look at the top card of your library, then exile it face down. (You may look at it any time.) {T}: Until end of turn, you may play cards you own exiled with Kayla's Music Box.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

This artifact enters tapped. {T}: Add {W}.

This creature enters with a +1/+1 counter on it. {T}, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

{W}: This creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Protection from red Shadow (This creature can block or be blocked by only creatures with shadow.)

This artifact enters tapped. {T}: Add one mana of any color that a basic land you control could produce.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

You have no maximum hand size. {T}: Add {C}.

Sacrifice a creature: Add {C}{C}.

At the beginning of each player's upkeep, this artifact deals 1 damage to that player. {2}: Prevent the next 1 damage that would be dealt by this artifact this turn.

Flying

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Flying When this creature dies, return another target artifact card from your graveyard to your hand.

Protection from black and from red Threshold — As long as seven or more cards are in your graveyard, this creature gets +1/+1 and has flying.

Defender (This creature can't attack.) Whenever you discard a card, you may sacrifice this creature. If you do, return the discarded card from your graveyard to your hand.

{T}: Return three target cards from an opponent's graveyard to their hand. Return target creature card from your graveyard to the battlefield.

Equipped creature has deathtouch. Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up. Equip {3}

{T}, Sacrifice two lands and this artifact: Destroy target attacking creature.

You may have this artifact enter as a copy of any artifact on the battlefield.

{T}: Return target card from an opponent's graveyard to their hand. Prevent all damage that would be dealt to any target this turn by a source of your choice.

{T}: Add {R}.

Shadow (This creature can block or be blocked by only creatures with shadow.) {1}{W}: This creature gets +1/+0 until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature deals damage to a player, destroy target enchantment that player controls.

{5}, {T}, Sacrifice this artifact: Exile target creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. Create a black Zombie creature token with power equal to that card's power and toughness equal to that card's toughness.

When this creature enters, you may return target artifact card from your graveyard to your hand.

Threshold — As long as seven or more cards are in your graveyard, this creature gets +1/+1 and has "{T}: Target attacking or blocking creature gets +3/+3 until end of turn."