mtg.wtf

Each creature you control assigns combat damage equal to its toughness rather than its power.
[–3]: You gain life equal to the greatest toughness among creatures you control.

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.
[–2]: Jaya, Venerated Firemage deals 2 damage to any target.

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.

Your opponents can't gain life.
[–2]: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

You have hexproof.
[–2]: Create a 0/3 white Wall creature token with defender.

Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.
[–2]: Destroy target creature. Its controller draws two cards.

Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast.
[–2]: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.

Creatures you control have haste.
[–1]: Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Whenever a creature attacks you or a planeswalker you control, each Dragon you control deals 1 damage to that creature.
[+1]: Until end of turn, each planeswalker you control becomes a 4/4 red Dragon creature and gains flying.
[–3]: Create a 4/4 red Dragon creature token with flying.

Spells and abilities your opponents control can't cause their controller to search their library.
[–1]: Target player mills four cards. Then exile each opponent's graveyard.

Whenever you tap a Forest for mana, add an additional {G}.
[+1]: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
[–8]: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Whenever one or more loyalty counters are removed from Chandra, Fire Artisan, she deals that much damage to target opponent or planeswalker.
[+1]: Exile the top card of your library. You may play it this turn.
[–7]: Exile the top seven cards of your library. You may play them this turn.

If you would draw a card while your library has no cards in it, you win the game instead.
[+1]: Target player mills two cards. Draw a card.
[–8]: Draw seven cards. Then if your library has no cards in it, you win the game.

Prevent all noncombat damage that would be dealt to you and other permanents you control.
[–2]: Exile target creature with power 4 or greater.

Each opponent can't draw more than one card each turn.
[–2]: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, Davriel, Rogue Shadowmage deals 2 damage to them.
[–1]: Target player discards a card.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents.
[+1]: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard.
[–3]: Return target card from your graveyard to your hand.

Each creature you control with a +1/+1 counter on it has "{T}: Add one mana of any color."
[–1]: Put a +1/+1 counter on target creature.

During your turn, creatures and planeswalkers you control have lifelink.
[+2]: Sorin, Vengeful Bloodlord deals 1 damage to target player or planeswalker.
[–X]: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types.

You may cast creature spells as though they had flash.
[+1]: Until your next turn, up to one target creature gains vigilance and reach.
[–2]: Look at the top three cards of your library. Exile one face down and put the rest on the bottom of your library in any order. For as long as it remains exiled, you may cast it if it's a creature spell.

Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield.
[+1]: You draw a card. Each opponent exiles a card from their hand or a permanent they control.
[–3]: Destroy target creature or planeswalker.
[–8]: Each opponent who doesn't control a legendary creature or planeswalker loses the game.

Whenever a creature you control dies, draw a card.
[+1]: Create a 2/2 black Zombie creature token.
[–4]: Each player sacrifices two creatures of their choice.
[–9]: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

During your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker.
Prevent all damage that would be dealt to Gideon Blackblade during your turn.
[+1]: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.
[–6]: Exile target nonland permanent.

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.
[–2]: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature.
[–2]: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this creature deals damage to a planeswalker, destroy that planeswalker."