At the beginning of each opponent's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Flying
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, destroy target nonartifact, nonblack creature.

All creatures have vigilance.
At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. This artifact deals damage to the player equal to the number of creatures tapped this way.

Flying, protection from black
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, return target creature card from your graveyard to the battlefield.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
You may choose not to untap this artifact during your untap step.
, : All creatures get +2/+2 for as long as this artifact remains tapped.

Shuffle all creature cards from target player's graveyard into that player's library.
Cycling (, Discard this card: Draw a card.)

Whenever a spell you've cast is countered, draw a card.

When this creature enters, green creatures get -1/-1 until end of turn.

Enchant creature
All damage that would be dealt to enchanted creature is dealt to its controller instead.

Draw two cards, then discard two cards. Untap up to three lands.

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling (, Discard this card: Draw a card.)

Whenever an artifact or enchantment is put into your graveyard from the battlefield, you gain 1 life.

This artifact doesn't untap during your untap step.
: Add .
: Untap this artifact.

You gain 3 life for each creature attacking you.

This land enters tapped.
: Add .
: This land becomes a 1/1 black Skeleton creature with ": Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Flying
Whenever this creature blocks, it gets +0/+2 until end of turn.

Whenever a creature deals damage to you, destroy it.

No more than two creatures can attack you each combat.

At the beginning of each player's upkeep, if that player controls more lands than each other player, this enchantment deals 2 damage to them.

Protection from black
Cycling (, Discard this card: Draw a card.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, you gain 5 life.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
: Draw a card.

This creature enters with two +1/+1 counters on it.
, : Remove all +1/+1 counters from this creature and put X +1/+1 counters on it.

: Target creature gets +1/+0 until end of turn.

Whenever this creature blocks or becomes blocked by a creature, destroy all Auras attached to that creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Return this creature to its owner's hand.

Counter target spell unless its controller pays .
Cycling (, Discard this card: Draw a card.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Sacrifice this creature: It deals 1 damage to any target.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, draw a card.

Protection from blue
Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands.

Flying
When this creature enters, untap up to seven lands.
: Return this creature to its owner's hand.

This land enters tapped.
: Add .
: This land 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.)

Target opponent reveals their hand. You choose a creature card from it. That player discards that card.

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice this enchantment and destroy all creatures. They can't be regenerated.