mtg.wtf

Vigilance
Permanents your opponents control can't be turned face up during your turn.
Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn.

Whenever you gain life, put two +1/+1 counters on Karlov.
{W}{B}, Remove six +1/+1 counters from Karlov: Exile target creature.

Whenever equipped creature attacks, sacrifice Karlov's Crossbow and destroy target creature an opponent controls.
Equip {1}
Forecast — {0}, Reveal Karlov's Crossbow from your hand: For the remainder of the game, spells you cast named Karlov's Crossbow cost {1} less to cast. (Activate only during your upkeep and only once each turn.)

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

Flying, protection from black
Echo {3}{W}{W}
When this creature enters, return target creature card from your graveyard to the battlefield.

Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.

[+4]: Target player exiles a card from their hand.
[–3]: Exile target permanent.
[–14]: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

{T}: Add {C}.
{4}, {T}: Proliferate.

Karn's Sylex enters tapped.
Players can't pay life to cast spells or to activate abilities that aren't mana abilities.
{X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Karn's power and toughness are each equal to the greatest mana value among artifacts you control.
At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

[+1]: Create a tapped Powerstone token.
[–1]: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.
[–7]: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

[+1]: Create a tapped Powerstone token.
[0]: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.
[–6]: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

[+1]: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it.
[–1]: Put a card you own with a silver counter on it from exile into your hand.
[–2]: Create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Whenever Karn blocks or becomes blocked, it gets -4/+4 until end of turn.
{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.

Activated abilities of artifacts your opponents control can't be activated.
[+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.
[–2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on target creature you control.

Morph {3}{W}{W}
When this creature is turned face up, all damage that would be dealt to it this turn is dealt to target creature instead.

Haste
At the beginning of each player's upkeep, that player untaps Karona and gains control of it.
Whenever Karona attacks, creatures of the creature type of your choice get +3/+3 until end of turn.

At the beginning of your upkeep, exchange control of a permanent you control chosen at random and a permanent target opponent controls chosen at random.

This land enters tapped.
When this land enters, sacrifice it unless you return an untapped Plains you control to its owner's hand.
{T}: Add {C}{W}.

{T}: Add {C}.
{T}: Add {R} or {G}. This land deals 1 damage to you.

Whenever this creature attacks, if you control a Chandra planeswalker, this creature deals 2 damage to any target.

Cumulative upkeep—Flip a coin.
Whenever you win a coin flip, this creature deals 1 damage to any target.
Whenever you lose a coin flip, this creature deals 1 damage to any target of an opponent's choice.

This creature can't be the target of blue or black spells.