War of the Spark

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card. [−1]: Untap target permanent.

As long as it's your turn, creatures and planeswalkers you control have lifelink. [+2]: Sorin, Vengeful Bloodlord deals 1 damage to target player o...

Creatures you control get +1/+0. [+1]: Add {R} or {G}. Creature spells you cast this turn can't be countered. [−2]: Target creature you control fig...

Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becom...

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...

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 ...

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

Colorless spells you cast cost {2} less to cast. [+1]: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit c...

Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker. [+2]: Scry 1. [−2]: Wh...

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 i...

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.

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, ea...

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]: ...

If you would draw a card while your library has no cards in it, you win the game instead. [+1]: Target player puts the top two cards of their libra...

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. [−2]: Target artifact you control becomes a copy of an...

Creatures you control have vigilance. [+1]: You gain 3 life. [−2]: Put a +1/+1 counter on each creature you control and a loyalty counter on each o...

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

Creature and planeswalker spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.) [+2]: Tezzeret, ...

Creatures you control have menace. [-2]: Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zom...

Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker. [+2]: Scry 1. [-2]: Wh...

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."

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....

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]: ...

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....